3th task

TaskA01/task01.py

@@ -0,0 +1,14 @@
+def contains_word_hamlet(line):
+    target = "Hamlet"
+    line_length = len(line)
+    target_length = len(target)
+    
+    for i in range(line_length - target_length + 1):
+        if line[i:i + target_length] == target:
+            return True
+    return False
+
+with open('/Users/jwieczor/Desktop/djfz-24_25-jezyki-1/TaskA01/simple.in', 'r') as file:
+    for line in file:
+        if contains_word_hamlet(line):
+            print(line, end='')

TaskA02/task02.py

@@ -0,0 +1,15 @@
+def contains_word_hamlet(line):
+    target = "pies"
+    line_lower = line.lower() 
+    line_length = len(line_lower)
+    target_length = len(target)
+    
+    for i in range(line_length - target_length + 1):
+        if line_lower[i:i + target_length] == target:
+            return True
+    return False
+
+with open('/Users/jwieczor/Desktop/djfz-24_25-jezyki-1/TaskA02/simple.in', 'r') as file:
+    for line in file:
+        if contains_word_hamlet(line):
+            print(line, end='')

TaskA03/task03.py

@@ -0,0 +1,32 @@
+def is_numeric(s):
+    for char in s:
+        if char < '0' or char > '9': 
+            return False
+    return True
+
+def find_lines_with_date_from_file(filename):
+    result = []
+
+    with open(filename, 'r', encoding='utf-8') as file:
+        lines = file.readlines()
+
+    for line in lines:
+        i = 0
+        while i < len(line):
+            if i + 3 < len(line):
+                year_candidate = line[i:i+4]
+                if is_numeric(year_candidate):
+                    year = int(year_candidate)
+                    if 1900 <= year <= 1999:
+                        if i + 6 < len(line) and line[i+4] == ' ' and line[i+5:i+7] == 'r.':
+                            result.append(line.strip()) 
+                            break  
+            i += 1  
+
+    return result
+
+filename = 'TaskA03/simple.in'  
+output = find_lines_with_date_from_file(filename)
+
+for line in output:
+    print(line)

TaskA04/task04.py

@@ -0,0 +1,35 @@
+def extract_numbers(line):
+    numbers = []
+    current_number = ""
+
+    for char in line:
+        # Sprawdzamy, czy znak jest cyfrą (ASCII dla cyfr to 48-57)
+        if '0' <= char <= '9':
+            current_number += char
+        else:
+            if current_number:  # Jeśli obecna liczba została zakończona
+                numbers.append(current_number)
+                current_number = ""  # Resetujemy licznik
+
+    # Dodajemy ostatnią liczbę, jeśli linia kończy się na cyfry
+    if current_number:
+        numbers.append(current_number)
+
+    # Ręczna implementacja metody join
+    result = ""
+    for i in range(len(numbers)):
+        result += numbers[i]
+        if i < len(numbers) - 1:  # Dodajemy spację między liczbami
+            result += " "
+
+    return result
+
+
+# Przetwarzanie danych wejściowych z pliku
+input_file = '/Users/jwieczor/Desktop/djfz-24_25-jezyki-1/TaskA04/simple.in'
+
+with open(input_file, 'r') as file:
+    for line in file:
+        result = extract_numbers(line.strip())  # Usuwamy końcowe białe znaki
+        if result:  # Wypisujemy tylko linie, które mają liczby
+            print(result)