diff --git a/TaskF00/run.py b/TaskF00/run.py
index 853b135..c8d5ba0 100644
--- a/TaskF00/run.py
+++ b/TaskF00/run.py
@@ -1,4 +1,5 @@
 import re
+import sys
 def replace_digits_with_letters(input_string):
     digit_to_letter = {'0': 'a', '1': 'b', '2': 'c', '3': 'd', '4': 'e', '5': 'f', '6': 'g', '7': 'h', '8': 'i', '9': 'j'}
 
@@ -24,8 +25,8 @@ def main_function(input_file, output_file):
             for row in file:
                 write_answer(replace_digits_with_letters(row), output_file)
 
-output_file ='simple.out'
-input_file = 'simple.in'
+# output_file ='simple.out'
+# input_file = 'simple.in'
+input_file = sys.argv[1]
+output_file = sys.argv[2]
 main_function(input_file, output_file)
-# input_file = sys.argv[1]
-# output_file = sys.argv[2]
diff --git a/TaskF01/run.py b/TaskF01/run.py
new file mode 100644
index 0000000..e88bf79
--- /dev/null
+++ b/TaskF01/run.py
@@ -0,0 +1,28 @@
+import re
+import sys
+
+def transform_line(line):
+    def transform_word(match):
+        word = match.group()
+        return  ''.join(char.lower() if char.isupper() else char.upper() for char in word)
+
+    pattern = re.compile(r'\b\w*[a-ząćęłńóśźż]+[A-ZĄĆĘŁŃÓŚŹŻ]\w*\b|\b\w*[A-ZĄĆĘŁŃÓŚŹŻ]+[a-ząćęłńóśźż]\w*\b')
+    transformed_line = pattern.sub(transform_word, line)
+    return transformed_line
+
+def write_answer(row, ouput_file):
+    with open(ouput_file, "a", encoding="utf-8") as file:
+        file.write(row)
+
+
+def main_function(input_file, output_file):
+    with open(output_file, "w", encoding="utf-8") as output_file1:
+        with open(input_file, "r", encoding="utf-8") as file:
+            for row in file:
+                write_answer(transform_line(row), output_file)
+
+# output_file ='simple.out'
+# input_file = 'simple.in'
+input_file = sys.argv[1]
+output_file = sys.argv[2]
+main_function(input_file, output_file)
diff --git a/TaskF01/simple.out b/TaskF01/simple.out
new file mode 100644
index 0000000..c345407
--- /dev/null
+++ b/TaskF01/simple.out
@@ -0,0 +1,3 @@
+ala mA KOTa
+lallaa
+żUK