Solution

app/main.py

@@ -1,6 +1,27 @@
 def main():
-    # write your code here
-    pass
+    # Ask for file name
+    file_name = input("Enter name of the file: ").strip()
+    if not file_name:
+        print("File name cannot be empty.")
+        return
+
+    # Ensure .txt extension
+    file_name = f"{file_name}.txt"
+
+    # Collect content lines
+    lines = []
+    while True:
+        line = input("Enter new line of content: ")
+        if line.lower() == "stop":
+            break
+        lines.append(line)
+
+    # Write to file
+    with open(file_name, "w", encoding="utf-8") as f:
+        for line in lines:
+            f.write(line + "\n")
+
+    print(f'File "{file_name}" has been created with {len(lines)} lines of content.')
 
 
 if __name__ == "__main__":