Solution

app/create_file.py

@@ -1 +1,61 @@
-# write your code here
+import os
+import sys
+from datetime import datetime
+
+
+def parse_arguments(argv: str) -> str | None:
+    i = 1
+    dirs = []
+    filename = None
+    while i < len(sys.argv):
+        if sys.argv[i] == "-d":
+            i += 1
+            while (i < len(sys.argv)) and not sys.argv[i].startswith("-"):
+                dirs.append(sys.argv[i])
+                i += 1
+            continue
+        elif sys.argv[i] == "-f":
+            filename = sys.argv[i + 1]
+            i += 2
+            continue
+        i += 1
+    return dirs, filename
+
+
+def build_path(dirs: list, filename: str) -> str | bytes:
+    path = os.path.join(*dirs) if dirs else ""
+    if path:
+        os.makedirs(path, exist_ok=True)
+
+    return os.path.join(path, filename)
+
+
+def write_content(full_path: str) -> None:
+    line_number = 1
+    file_exists = os.path.exists(full_path)
+
+    with open(full_path, "a", encoding="utf-8") as file:
+        if file_exists:
+            file.write("\n")
+
+        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        file.write(f"{timestamp}\n")
+
+        while True:
+            user_input = input("Enter content line: ")
+
+            if user_input.lower() == "stop":
+                break
+
+            file.write(f"{line_number}. {user_input}\n")
+            line_number += 1
+
+
+def create_file() -> None:
+    dirs, filename = parse_arguments(sys.argv)
+    full_path = build_path(dirs, filename)
+    write_content(full_path)
+
+
+if __name__ == "__main__":
+    create_file()