From d1bf33f80923974830c1ffa15eb42a70a0e880ed Mon Sep 17 00:00:00 2001
From: Polevara Veronika <veronikapolevara@gmail,com>
Date: Thu, 9 Nov 2023 14:16:19 +0100
Subject: [PATCH 01/25] wykonane zadania z tasku C

---
 TaskC00/description.txt | 14 +++++++++
 TaskC00/run.py          | 64 +++++++++++++++++++++++++++++++++++++++++
 TaskC00/testnfa.arg     |  7 +++++
 TaskC00/testnfa.exp     |  8 ++++++
 TaskC00/testnfa.in      |  8 ++++++
 TaskC00/testnfa.out     |  8 ++++++
 TaskC02/description.txt | 14 +++++++++
 TaskC02/run.py          | 64 +++++++++++++++++++++++++++++++++++++++++
 TaskC02/test.arg        |  6 ++++
 TaskC02/test.exp        |  6 ++++
 TaskC02/test.in         |  6 ++++
 TaskC02/test.out        |  6 ++++
 12 files changed, 211 insertions(+)
 create mode 100644 TaskC00/description.txt
 create mode 100644 TaskC00/run.py
 create mode 100644 TaskC00/testnfa.arg
 create mode 100644 TaskC00/testnfa.exp
 create mode 100644 TaskC00/testnfa.in
 create mode 100644 TaskC00/testnfa.out
 create mode 100644 TaskC02/description.txt
 create mode 100644 TaskC02/run.py
 create mode 100644 TaskC02/test.arg
 create mode 100644 TaskC02/test.exp
 create mode 100644 TaskC02/test.in
 create mode 100644 TaskC02/test.out

diff --git a/TaskC00/description.txt b/TaskC00/description.txt
new file mode 100644
index 0000000..218e0f9
--- /dev/null
+++ b/TaskC00/description.txt
@@ -0,0 +1,14 @@
+Read a description of a non-deterministic finite-state automaton in the AT&T format                                                                                                                                                                         
+(without weights) from the file in the first argument.
+
+Read strings from the standard input.
+If a string is accepted by the
+automaton, write YES, otherwise- write NO.
+
+The program is invoked like this: python run.py test1.arg < test1.in > test1.out
+
+Note that not all transitions must be included in description.
+If no transition is given for the given state and letter, write NO.
+
+POINTS: 3
+DEADLINE: 2023-11-12 23:59:59
diff --git a/TaskC00/run.py b/TaskC00/run.py
new file mode 100644
index 0000000..d69b60b
--- /dev/null
+++ b/TaskC00/run.py
@@ -0,0 +1,64 @@
+import sys
+import copy
+
+class FSA:
+
+    def __init__(self):
+        self.initial_state = '0'
+        self.final_states = set()
+
+        self.transitions = dict()
+        self.alphabet = set()
+
+    def add_transition(self, state_from, state_to, symbol):
+
+        if state_from in self.transitions.keys():
+            if symbol not in self.transitions[state_from].keys():
+                self.transitions[state_from][symbol] = {state_to}
+            else:
+                self.transitions[state_from][symbol] |= {state_to}
+        else:
+            self.transitions[state_from] = dict()
+            self.transitions[state_from][symbol] = {state_to}
+
+    def add_final_state(self, state):
+        self.final_states.add(state)
+    def get_final_states(self, string):
+        current_states = {self.initial_state}
+        for symbol in string:            
+            new_current_states = set()
+            for current_state in current_states:                
+                try:
+                    new_current_states |= self.transitions[current_state][symbol]                
+                except:
+                    pass            
+                current_states = copy.deepcopy(new_current_states)
+        return current_states
+
+    def accepts(self, string):        
+        for final_state in self.get_final_states(string):
+            if final_state in self.final_states:
+                return True        
+            return False
+
+fsa = FSA()
+
+table = open(sys.argv[1])
+for line in table:
+    line = line.rstrip()
+
+    if len(line.split('\t')) == 3:
+        a, b, c = line.split('\t')
+        fsa.add_transition(a, b, c)
+        fsa.alphabet.add(c)
+    else:
+        fsa.add_final_state(line)
+
+
+for line in sys.stdin:
+    line = line.rstrip()
+
+    if fsa.accepts(line):
+        print('YES')
+    else:
+        print('NO')
\ No newline at end of file
diff --git a/TaskC00/testnfa.arg b/TaskC00/testnfa.arg
new file mode 100644
index 0000000..75dc56c
--- /dev/null
+++ b/TaskC00/testnfa.arg
@@ -0,0 +1,7 @@
+0	1	a
+1	0	a
+1	2	b
+2	4	c
+1	3	b
+3
+4
diff --git a/TaskC00/testnfa.exp b/TaskC00/testnfa.exp
new file mode 100644
index 0000000..c98399b
--- /dev/null
+++ b/TaskC00/testnfa.exp
@@ -0,0 +1,8 @@
+YES
+YES
+NO
+NO
+NO
+YES
+NO
+YES
diff --git a/TaskC00/testnfa.in b/TaskC00/testnfa.in
new file mode 100644
index 0000000..91bb05a
--- /dev/null
+++ b/TaskC00/testnfa.in
@@ -0,0 +1,8 @@
+abc
+ab
+abcd
+aaaabc
+aaaaaaaabc
+aaaaaaabc
+zzz
+aaaaaaabc
diff --git a/TaskC00/testnfa.out b/TaskC00/testnfa.out
new file mode 100644
index 0000000..e9d26f6
--- /dev/null
+++ b/TaskC00/testnfa.out
@@ -0,0 +1,8 @@
+YES
+YES
+NO
+NO
+NO
+YES
+NO
+YES
diff --git a/TaskC02/description.txt b/TaskC02/description.txt
new file mode 100644
index 0000000..55ac747
--- /dev/null
+++ b/TaskC02/description.txt
@@ -0,0 +1,14 @@
+Use a non deterministic finite-state automaton (FSA) engine from the TaskC00.
+Create your own non deterministic FSA description to check whether the string
+ends with "ab"
+Don't use external files like in TaskF00 (description should be included in run file).
+
+The alphabet is "a", "b", "C"
+
+Read strings from the standard input.
+If a string is accepted by the 
+automaton, write YES, otherwise- write NO. 
+
+POINTS: 3
+DEADLINE: 2023-11-12 23:59:59
+REMAINDER: 1/3
diff --git a/TaskC02/run.py b/TaskC02/run.py
new file mode 100644
index 0000000..d69b60b
--- /dev/null
+++ b/TaskC02/run.py
@@ -0,0 +1,64 @@
+import sys
+import copy
+
+class FSA:
+
+    def __init__(self):
+        self.initial_state = '0'
+        self.final_states = set()
+
+        self.transitions = dict()
+        self.alphabet = set()
+
+    def add_transition(self, state_from, state_to, symbol):
+
+        if state_from in self.transitions.keys():
+            if symbol not in self.transitions[state_from].keys():
+                self.transitions[state_from][symbol] = {state_to}
+            else:
+                self.transitions[state_from][symbol] |= {state_to}
+        else:
+            self.transitions[state_from] = dict()
+            self.transitions[state_from][symbol] = {state_to}
+
+    def add_final_state(self, state):
+        self.final_states.add(state)
+    def get_final_states(self, string):
+        current_states = {self.initial_state}
+        for symbol in string:            
+            new_current_states = set()
+            for current_state in current_states:                
+                try:
+                    new_current_states |= self.transitions[current_state][symbol]                
+                except:
+                    pass            
+                current_states = copy.deepcopy(new_current_states)
+        return current_states
+
+    def accepts(self, string):        
+        for final_state in self.get_final_states(string):
+            if final_state in self.final_states:
+                return True        
+            return False
+
+fsa = FSA()
+
+table = open(sys.argv[1])
+for line in table:
+    line = line.rstrip()
+
+    if len(line.split('\t')) == 3:
+        a, b, c = line.split('\t')
+        fsa.add_transition(a, b, c)
+        fsa.alphabet.add(c)
+    else:
+        fsa.add_final_state(line)
+
+
+for line in sys.stdin:
+    line = line.rstrip()
+
+    if fsa.accepts(line):
+        print('YES')
+    else:
+        print('NO')
\ No newline at end of file
diff --git a/TaskC02/test.arg b/TaskC02/test.arg
new file mode 100644
index 0000000..ca71b55
--- /dev/null
+++ b/TaskC02/test.arg
@@ -0,0 +1,6 @@
+0	0	a
+0	0	b
+0	0	c
+0	1	a
+1	2	b
+2
diff --git a/TaskC02/test.exp b/TaskC02/test.exp
new file mode 100644
index 0000000..e09bb02
--- /dev/null
+++ b/TaskC02/test.exp
@@ -0,0 +1,6 @@
+YES
+NO
+YES
+NO
+YES
+NO
diff --git a/TaskC02/test.in b/TaskC02/test.in
new file mode 100644
index 0000000..84f5cfd
--- /dev/null
+++ b/TaskC02/test.in
@@ -0,0 +1,6 @@
+ab
+a
+abbab
+bbbbb
+ababaab
+b
diff --git a/TaskC02/test.out b/TaskC02/test.out
new file mode 100644
index 0000000..e7f6515
--- /dev/null
+++ b/TaskC02/test.out
@@ -0,0 +1,6 @@
+YES
+NO
+YES
+NO
+YES
+NO

From 2d8a843df23732240982554f8e769e2c4c219f22 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sat, 25 Nov 2023 16:07:14 +0100
Subject: [PATCH 02/25] Upload files to 'TaskD01'

---
 TaskD01/description.txt |  5 +++++
 TaskD01/run.py          | 13 +++++++++++++
 TaskD01/simple.exp      |  2 ++
 TaskD01/simple.in       |  3 +++
 TaskD01/simple.out      |  2 ++
 5 files changed, 25 insertions(+)
 create mode 100644 TaskD01/description.txt
 create mode 100644 TaskD01/run.py
 create mode 100644 TaskD01/simple.exp
 create mode 100644 TaskD01/simple.in
 create mode 100644 TaskD01/simple.out

diff --git a/TaskD01/description.txt b/TaskD01/description.txt
new file mode 100644
index 0000000..f2365af
--- /dev/null
+++ b/TaskD01/description.txt
@@ -0,0 +1,5 @@
+Write a program to find lines containing the word "Hamlet".
+Do use regular expressions.
+
+POINTS: 1
+DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file
diff --git a/TaskD01/run.py b/TaskD01/run.py
new file mode 100644
index 0000000..bdcf3a7
--- /dev/null
+++ b/TaskD01/run.py
@@ -0,0 +1,13 @@
+import re
+import sys
+
+found_lines = []
+
+
+for line in sys.stdin:
+    if re.search(r'\bHamlet\b', line):
+        found_lines.append(line.strip())
+
+
+if found_lines:
+    print('\n'.join(found_lines), end='')
\ No newline at end of file
diff --git a/TaskD01/simple.exp b/TaskD01/simple.exp
new file mode 100644
index 0000000..0064e87
--- /dev/null
+++ b/TaskD01/simple.exp
@@ -0,0 +1,2 @@
+Here comes Hamlet
+Hamlet Hamlet again
\ No newline at end of file
diff --git a/TaskD01/simple.in b/TaskD01/simple.in
new file mode 100644
index 0000000..24e23e3
--- /dev/null
+++ b/TaskD01/simple.in
@@ -0,0 +1,3 @@
+Here comes Hamlet
+ABC
+Hamlet Hamlet again
\ No newline at end of file
diff --git a/TaskD01/simple.out b/TaskD01/simple.out
new file mode 100644
index 0000000..0064e87
--- /dev/null
+++ b/TaskD01/simple.out
@@ -0,0 +1,2 @@
+Here comes Hamlet
+Hamlet Hamlet again
\ No newline at end of file

From ee2341d2187df89cdb45428fadacfe3e61d23f69 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sat, 25 Nov 2023 16:08:02 +0100
Subject: [PATCH 03/25] wykonane zadania z tasku D

---
 TaskD02/description.txt |  7 +++++++
 TaskD02/run.py          | 13 +++++++++++++
 TaskD02/simple.exp      |  3 +++
 TaskD02/simple.in       |  5 +++++
 TaskD02/simple.out      |  3 +++
 5 files changed, 31 insertions(+)
 create mode 100644 TaskD02/description.txt
 create mode 100644 TaskD02/run.py
 create mode 100644 TaskD02/simple.exp
 create mode 100644 TaskD02/simple.in
 create mode 100644 TaskD02/simple.out

diff --git a/TaskD02/description.txt b/TaskD02/description.txt
new file mode 100644
index 0000000..d10a828
--- /dev/null
+++ b/TaskD02/description.txt
@@ -0,0 +1,7 @@
+Write a program to find lines containing the word "pies" separated by spaces.
+The word does not need to have space on the left if it is the line beginning or space on the right if it is line ending.
+Return line no matter of word "pies" casing.
+Do use regular expressions.
+
+POINTS: 1
+DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file
diff --git a/TaskD02/run.py b/TaskD02/run.py
new file mode 100644
index 0000000..8128990
--- /dev/null
+++ b/TaskD02/run.py
@@ -0,0 +1,13 @@
+import re
+import sys
+
+found_lines = []
+
+for line in sys.stdin:
+    if re.search(r'\b\s*pies\s*\b', line, flags=re.IGNORECASE):
+        found_lines.append(line.strip())
+
+
+if found_lines:
+    print('\n'.join(found_lines), end='')
+
diff --git a/TaskD02/simple.exp b/TaskD02/simple.exp
new file mode 100644
index 0000000..caa7f93
--- /dev/null
+++ b/TaskD02/simple.exp
@@ -0,0 +1,3 @@
+Pies ma Ale
+Kot i pies to zwierzeta
+pies
\ No newline at end of file
diff --git a/TaskD02/simple.in b/TaskD02/simple.in
new file mode 100644
index 0000000..cbf2ba9
--- /dev/null
+++ b/TaskD02/simple.in
@@ -0,0 +1,5 @@
+Pies ma Ale
+Ala ma psa
+tu nic nie ma
+Kot i pies to zwierzeta
+pies
\ No newline at end of file
diff --git a/TaskD02/simple.out b/TaskD02/simple.out
new file mode 100644
index 0000000..caa7f93
--- /dev/null
+++ b/TaskD02/simple.out
@@ -0,0 +1,3 @@
+Pies ma Ale
+Kot i pies to zwierzeta
+pies
\ No newline at end of file

From 92b31192b3bafb64a9418cb613de95ff543c48e5 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sat, 25 Nov 2023 16:08:20 +0100
Subject: [PATCH 04/25] wykonane zadania z tasku D

---
 TaskD03/description.txt |  6 ++++++
 TaskD03/run.py          | 14 ++++++++++++++
 TaskD03/simple.exp      |  3 +++
 TaskD03/simple.in       |  5 +++++
 TaskD03/simple.out      |  3 +++
 5 files changed, 31 insertions(+)
 create mode 100644 TaskD03/description.txt
 create mode 100644 TaskD03/run.py
 create mode 100644 TaskD03/simple.exp
 create mode 100644 TaskD03/simple.in
 create mode 100644 TaskD03/simple.out

diff --git a/TaskD03/description.txt b/TaskD03/description.txt
new file mode 100644
index 0000000..114f376
--- /dev/null
+++ b/TaskD03/description.txt
@@ -0,0 +1,6 @@
+Write a program to find lines containing date from 1900 to 1999 in format '19XX r.' no matter what on the left or right of the expression.
+Note that part ' r.' is obligatory.
+Do use regular expressions.
+
+POINTS: 1
+DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file
diff --git a/TaskD03/run.py b/TaskD03/run.py
new file mode 100644
index 0000000..05f6da4
--- /dev/null
+++ b/TaskD03/run.py
@@ -0,0 +1,14 @@
+import re
+import sys
+
+
+found_lines = []
+
+for line in sys.stdin:
+    if re.search(r'\b19\d{2}\s*r\.\b|\b\W19\d{2}\s*r\.\b|\b19\d{2}\s*r\.\W', line, flags=re.IGNORECASE):
+        found_lines.append(line.strip())
+
+
+if found_lines:
+    print('\n'.join(found_lines), end='')
+
diff --git a/TaskD03/simple.exp b/TaskD03/simple.exp
new file mode 100644
index 0000000..175c58f
--- /dev/null
+++ b/TaskD03/simple.exp
@@ -0,0 +1,3 @@
+Kiedys byl 1934 r.
+Kiedys byl 1934 r.fsdfsdfsdf
+1934 r. to jakas data
\ No newline at end of file
diff --git a/TaskD03/simple.in b/TaskD03/simple.in
new file mode 100644
index 0000000..e3a93b7
--- /dev/null
+++ b/TaskD03/simple.in
@@ -0,0 +1,5 @@
+Kiedys byl 1934 r.
+Kiedys byl 1934 r.fsdfsdfsdf
+Kiedys byl 1935 rok
+1934 r. to jakas data
+1934  to tez jakas data
\ No newline at end of file
diff --git a/TaskD03/simple.out b/TaskD03/simple.out
new file mode 100644
index 0000000..175c58f
--- /dev/null
+++ b/TaskD03/simple.out
@@ -0,0 +1,3 @@
+Kiedys byl 1934 r.
+Kiedys byl 1934 r.fsdfsdfsdf
+1934 r. to jakas data
\ No newline at end of file

From f424d4529c4ba868bfe00baf9a62019f66fc25f6 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sat, 25 Nov 2023 16:08:43 +0100
Subject: [PATCH 05/25] wykonane zadania z tasku D

---
 TaskD04/description.txt |  6 ++++++
 TaskD04/run.py          | 21 +++++++++++++++++++++
 TaskD04/simple.exp      |  4 ++++
 TaskD04/simple.in       |  5 +++++
 TaskD04/simple.out      |  4 ++++
 5 files changed, 40 insertions(+)
 create mode 100644 TaskD04/description.txt
 create mode 100644 TaskD04/run.py
 create mode 100644 TaskD04/simple.exp
 create mode 100644 TaskD04/simple.in
 create mode 100644 TaskD04/simple.out

diff --git a/TaskD04/description.txt b/TaskD04/description.txt
new file mode 100644
index 0000000..4db2554
--- /dev/null
+++ b/TaskD04/description.txt
@@ -0,0 +1,6 @@
+Write a program to find all maximum substrings of digits.
+Return only these substrings separated by spaces in their order.
+Do use regular expressions.
+
+POINTS: 2
+DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file
diff --git a/TaskD04/run.py b/TaskD04/run.py
new file mode 100644
index 0000000..fc5985a
--- /dev/null
+++ b/TaskD04/run.py
@@ -0,0 +1,21 @@
+import re
+import sys
+
+def remove_non_digits(line):
+    
+    return re.sub(r'[^0-9\s]', '', line)
+
+
+processed_lines = []
+
+for line in sys.stdin:
+    processed_line = remove_non_digits(line)
+    processed_line = re.sub(r'^\s+|\s+$', '', processed_line)
+    processed_line = re.sub(r'\s+', ' ', processed_line)
+
+    digit_groups = re.findall(r'\d+', processed_line)
+    
+    if digit_groups:
+        processed_lines.append(' '.join(digit_groups))
+
+print('\n'.join(processed_lines), end='')
\ No newline at end of file
diff --git a/TaskD04/simple.exp b/TaskD04/simple.exp
new file mode 100644
index 0000000..c184ec8
--- /dev/null
+++ b/TaskD04/simple.exp
@@ -0,0 +1,4 @@
+34234 34 5
+34535
+34
+1992 1999
\ No newline at end of file
diff --git a/TaskD04/simple.in b/TaskD04/simple.in
new file mode 100644
index 0000000..df710ac
--- /dev/null
+++ b/TaskD04/simple.in
@@ -0,0 +1,5 @@
+34234 34 dfd gfd 5
+34535
+fsdflskfjsdflk
+fsdkfj sdf34fdfd
+The company was established in 1992 from the merger of Authorware, Inc. (creators of the Authorware package) and MacroMind-Paracomp (producer of Macromind Director). In 1999, Macromedia purchased Allaire and its bi
\ No newline at end of file
diff --git a/TaskD04/simple.out b/TaskD04/simple.out
new file mode 100644
index 0000000..c184ec8
--- /dev/null
+++ b/TaskD04/simple.out
@@ -0,0 +1,4 @@
+34234 34 5
+34535
+34
+1992 1999
\ No newline at end of file

From 3da3b1c6348f9e0937a346dd7de9cc1c80ce9612 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:00 +0100
Subject: [PATCH 06/25] Delete 'TaskD01/description.txt'

---
 TaskD01/description.txt | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 TaskD01/description.txt

diff --git a/TaskD01/description.txt b/TaskD01/description.txt
deleted file mode 100644
index f2365af..0000000
--- a/TaskD01/description.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-Write a program to find lines containing the word "Hamlet".
-Do use regular expressions.
-
-POINTS: 1
-DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file

From 78e075793ba4937c234e79bd7dcd7281b0331d86 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:09 +0100
Subject: [PATCH 07/25] Delete 'TaskD01/run.py'

---
 TaskD01/run.py | 13 -------------
 1 file changed, 13 deletions(-)
 delete mode 100644 TaskD01/run.py

diff --git a/TaskD01/run.py b/TaskD01/run.py
deleted file mode 100644
index bdcf3a7..0000000
--- a/TaskD01/run.py
+++ /dev/null
@@ -1,13 +0,0 @@
-import re
-import sys
-
-found_lines = []
-
-
-for line in sys.stdin:
-    if re.search(r'\bHamlet\b', line):
-        found_lines.append(line.strip())
-
-
-if found_lines:
-    print('\n'.join(found_lines), end='')
\ No newline at end of file

From 3d295d51892434d6255228af6403149cca394b32 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:16 +0100
Subject: [PATCH 08/25] Delete 'TaskD01/simple.exp'

---
 TaskD01/simple.exp | 2 --
 1 file changed, 2 deletions(-)
 delete mode 100644 TaskD01/simple.exp

diff --git a/TaskD01/simple.exp b/TaskD01/simple.exp
deleted file mode 100644
index 0064e87..0000000
--- a/TaskD01/simple.exp
+++ /dev/null
@@ -1,2 +0,0 @@
-Here comes Hamlet
-Hamlet Hamlet again
\ No newline at end of file

From 3fd530b13be5a118eb89c2fd66dce802e3528723 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:20 +0100
Subject: [PATCH 09/25] Delete 'TaskD01/simple.in'

---
 TaskD01/simple.in | 3 ---
 1 file changed, 3 deletions(-)
 delete mode 100644 TaskD01/simple.in

diff --git a/TaskD01/simple.in b/TaskD01/simple.in
deleted file mode 100644
index 24e23e3..0000000
--- a/TaskD01/simple.in
+++ /dev/null
@@ -1,3 +0,0 @@
-Here comes Hamlet
-ABC
-Hamlet Hamlet again
\ No newline at end of file

From 5fc857b78cac5a063a2eb55d8677762f1c8ff219 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:26 +0100
Subject: [PATCH 10/25] Delete 'TaskD01/simple.out'

---
 TaskD01/simple.out | 2 --
 1 file changed, 2 deletions(-)
 delete mode 100644 TaskD01/simple.out

diff --git a/TaskD01/simple.out b/TaskD01/simple.out
deleted file mode 100644
index 0064e87..0000000
--- a/TaskD01/simple.out
+++ /dev/null
@@ -1,2 +0,0 @@
-Here comes Hamlet
-Hamlet Hamlet again
\ No newline at end of file

From 6ecd654deaf97696922a6b2dedfe7d703543d860 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:36 +0100
Subject: [PATCH 11/25] Delete 'TaskD02/description.txt'

---
 TaskD02/description.txt | 7 -------
 1 file changed, 7 deletions(-)
 delete mode 100644 TaskD02/description.txt

diff --git a/TaskD02/description.txt b/TaskD02/description.txt
deleted file mode 100644
index d10a828..0000000
--- a/TaskD02/description.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-Write a program to find lines containing the word "pies" separated by spaces.
-The word does not need to have space on the left if it is the line beginning or space on the right if it is line ending.
-Return line no matter of word "pies" casing.
-Do use regular expressions.
-
-POINTS: 1
-DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file

From eece10e455b94275c886295a6e07bd743ef9d5e9 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:40 +0100
Subject: [PATCH 12/25] Delete 'TaskD02/run.py'

---
 TaskD02/run.py | 13 -------------
 1 file changed, 13 deletions(-)
 delete mode 100644 TaskD02/run.py

diff --git a/TaskD02/run.py b/TaskD02/run.py
deleted file mode 100644
index 8128990..0000000
--- a/TaskD02/run.py
+++ /dev/null
@@ -1,13 +0,0 @@
-import re
-import sys
-
-found_lines = []
-
-for line in sys.stdin:
-    if re.search(r'\b\s*pies\s*\b', line, flags=re.IGNORECASE):
-        found_lines.append(line.strip())
-
-
-if found_lines:
-    print('\n'.join(found_lines), end='')
-

From 6be920f80e018f566439e960b1b11d00a1b783c1 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:44 +0100
Subject: [PATCH 13/25] Delete 'TaskD02/simple.exp'

---
 TaskD02/simple.exp | 3 ---
 1 file changed, 3 deletions(-)
 delete mode 100644 TaskD02/simple.exp

diff --git a/TaskD02/simple.exp b/TaskD02/simple.exp
deleted file mode 100644
index caa7f93..0000000
--- a/TaskD02/simple.exp
+++ /dev/null
@@ -1,3 +0,0 @@
-Pies ma Ale
-Kot i pies to zwierzeta
-pies
\ No newline at end of file

From a6545fcaa5af8477d8c6a94ea760127839507b04 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:48 +0100
Subject: [PATCH 14/25] Delete 'TaskD02/simple.in'

---
 TaskD02/simple.in | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 TaskD02/simple.in

diff --git a/TaskD02/simple.in b/TaskD02/simple.in
deleted file mode 100644
index cbf2ba9..0000000
--- a/TaskD02/simple.in
+++ /dev/null
@@ -1,5 +0,0 @@
-Pies ma Ale
-Ala ma psa
-tu nic nie ma
-Kot i pies to zwierzeta
-pies
\ No newline at end of file

From 53dd677cfb255b4ffbafadb8c2daf680ac1f1aa3 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:04:52 +0100
Subject: [PATCH 15/25] Delete 'TaskD02/simple.out'

---
 TaskD02/simple.out | 3 ---
 1 file changed, 3 deletions(-)
 delete mode 100644 TaskD02/simple.out

diff --git a/TaskD02/simple.out b/TaskD02/simple.out
deleted file mode 100644
index caa7f93..0000000
--- a/TaskD02/simple.out
+++ /dev/null
@@ -1,3 +0,0 @@
-Pies ma Ale
-Kot i pies to zwierzeta
-pies
\ No newline at end of file

From bcc5dd15cb0a467569d8bd8b3354aa50c5eecabe Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:24 +0100
Subject: [PATCH 16/25] Delete 'TaskD03/description.txt'

---
 TaskD03/description.txt | 6 ------
 1 file changed, 6 deletions(-)
 delete mode 100644 TaskD03/description.txt

diff --git a/TaskD03/description.txt b/TaskD03/description.txt
deleted file mode 100644
index 114f376..0000000
--- a/TaskD03/description.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-Write a program to find lines containing date from 1900 to 1999 in format '19XX r.' no matter what on the left or right of the expression.
-Note that part ' r.' is obligatory.
-Do use regular expressions.
-
-POINTS: 1
-DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file

From 24f8a1cceb610f941137888fd2fdede1668e177f Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:28 +0100
Subject: [PATCH 17/25] Delete 'TaskD03/run.py'

---
 TaskD03/run.py | 14 --------------
 1 file changed, 14 deletions(-)
 delete mode 100644 TaskD03/run.py

diff --git a/TaskD03/run.py b/TaskD03/run.py
deleted file mode 100644
index 05f6da4..0000000
--- a/TaskD03/run.py
+++ /dev/null
@@ -1,14 +0,0 @@
-import re
-import sys
-
-
-found_lines = []
-
-for line in sys.stdin:
-    if re.search(r'\b19\d{2}\s*r\.\b|\b\W19\d{2}\s*r\.\b|\b19\d{2}\s*r\.\W', line, flags=re.IGNORECASE):
-        found_lines.append(line.strip())
-
-
-if found_lines:
-    print('\n'.join(found_lines), end='')
-

From 2f1f8b61b275cd99e680a6096dbf15ffcd7d3516 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:31 +0100
Subject: [PATCH 18/25] Delete 'TaskD03/simple.exp'

---
 TaskD03/simple.exp | 3 ---
 1 file changed, 3 deletions(-)
 delete mode 100644 TaskD03/simple.exp

diff --git a/TaskD03/simple.exp b/TaskD03/simple.exp
deleted file mode 100644
index 175c58f..0000000
--- a/TaskD03/simple.exp
+++ /dev/null
@@ -1,3 +0,0 @@
-Kiedys byl 1934 r.
-Kiedys byl 1934 r.fsdfsdfsdf
-1934 r. to jakas data
\ No newline at end of file

From b77d5f4b785f551b96bdcb41b980e37adf9e779a Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:36 +0100
Subject: [PATCH 19/25] Delete 'TaskD03/simple.in'

---
 TaskD03/simple.in | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 TaskD03/simple.in

diff --git a/TaskD03/simple.in b/TaskD03/simple.in
deleted file mode 100644
index e3a93b7..0000000
--- a/TaskD03/simple.in
+++ /dev/null
@@ -1,5 +0,0 @@
-Kiedys byl 1934 r.
-Kiedys byl 1934 r.fsdfsdfsdf
-Kiedys byl 1935 rok
-1934 r. to jakas data
-1934  to tez jakas data
\ No newline at end of file

From 9d06315142a8e23dca1a3ba8d2fffddc2a81d988 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:41 +0100
Subject: [PATCH 20/25] Delete 'TaskD03/simple.out'

---
 TaskD03/simple.out | 3 ---
 1 file changed, 3 deletions(-)
 delete mode 100644 TaskD03/simple.out

diff --git a/TaskD03/simple.out b/TaskD03/simple.out
deleted file mode 100644
index 175c58f..0000000
--- a/TaskD03/simple.out
+++ /dev/null
@@ -1,3 +0,0 @@
-Kiedys byl 1934 r.
-Kiedys byl 1934 r.fsdfsdfsdf
-1934 r. to jakas data
\ No newline at end of file

From 70a8f23e6cfa5443f7c748e1727bfd837f5f140e Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:50 +0100
Subject: [PATCH 21/25] Delete 'TaskD04/description.txt'

---
 TaskD04/description.txt | 6 ------
 1 file changed, 6 deletions(-)
 delete mode 100644 TaskD04/description.txt

diff --git a/TaskD04/description.txt b/TaskD04/description.txt
deleted file mode 100644
index 4db2554..0000000
--- a/TaskD04/description.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-Write a program to find all maximum substrings of digits.
-Return only these substrings separated by spaces in their order.
-Do use regular expressions.
-
-POINTS: 2
-DEADLINE: 2023-11-26 23:59:59
\ No newline at end of file

From b7eaa6209f27245717ab1dfdc85a957ea5b25771 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:05:54 +0100
Subject: [PATCH 22/25] Delete 'TaskD04/run.py'

---
 TaskD04/run.py | 21 ---------------------
 1 file changed, 21 deletions(-)
 delete mode 100644 TaskD04/run.py

diff --git a/TaskD04/run.py b/TaskD04/run.py
deleted file mode 100644
index fc5985a..0000000
--- a/TaskD04/run.py
+++ /dev/null
@@ -1,21 +0,0 @@
-import re
-import sys
-
-def remove_non_digits(line):
-    
-    return re.sub(r'[^0-9\s]', '', line)
-
-
-processed_lines = []
-
-for line in sys.stdin:
-    processed_line = remove_non_digits(line)
-    processed_line = re.sub(r'^\s+|\s+$', '', processed_line)
-    processed_line = re.sub(r'\s+', ' ', processed_line)
-
-    digit_groups = re.findall(r'\d+', processed_line)
-    
-    if digit_groups:
-        processed_lines.append(' '.join(digit_groups))
-
-print('\n'.join(processed_lines), end='')
\ No newline at end of file

From cba04c64cbe05e905840168cab8c41e6a9aa91c7 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:06:01 +0100
Subject: [PATCH 23/25] Delete 'TaskD04/simple.exp'

---
 TaskD04/simple.exp | 4 ----
 1 file changed, 4 deletions(-)
 delete mode 100644 TaskD04/simple.exp

diff --git a/TaskD04/simple.exp b/TaskD04/simple.exp
deleted file mode 100644
index c184ec8..0000000
--- a/TaskD04/simple.exp
+++ /dev/null
@@ -1,4 +0,0 @@
-34234 34 5
-34535
-34
-1992 1999
\ No newline at end of file

From 7aa19cf544f81d0f11909e6953b931333da97a70 Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:06:05 +0100
Subject: [PATCH 24/25] Delete 'TaskD04/simple.in'

---
 TaskD04/simple.in | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 TaskD04/simple.in

diff --git a/TaskD04/simple.in b/TaskD04/simple.in
deleted file mode 100644
index df710ac..0000000
--- a/TaskD04/simple.in
+++ /dev/null
@@ -1,5 +0,0 @@
-34234 34 dfd gfd 5
-34535
-fsdflskfjsdflk
-fsdkfj sdf34fdfd
-The company was established in 1992 from the merger of Authorware, Inc. (creators of the Authorware package) and MacroMind-Paracomp (producer of Macromind Director). In 1999, Macromedia purchased Allaire and its bi
\ No newline at end of file

From af19e6039da5560ba8fee29a0f93cf46ebfe956b Mon Sep 17 00:00:00 2001
From: Veronika Polevara <verpol@st.amu.edu.pl>
Date: Sun, 10 Dec 2023 22:06:08 +0100
Subject: [PATCH 25/25] Delete 'TaskD04/simple.out'

---
 TaskD04/simple.out | 4 ----
 1 file changed, 4 deletions(-)
 delete mode 100644 TaskD04/simple.out

diff --git a/TaskD04/simple.out b/TaskD04/simple.out
deleted file mode 100644
index c184ec8..0000000
--- a/TaskD04/simple.out
+++ /dev/null
@@ -1,4 +0,0 @@
-34234 34 5
-34535
-34
-1992 1999
\ No newline at end of file