Python Fundamentals - Final Exam Retake.

Problem: n°4.

Author: vncmd

[2.2] Fundamentals Exam - Exercises/[1.4] Final Exam - Retake/03_secret_chat.py

@@ -0,0 +1,30 @@
+main_msg = input()
+command = input()
+
+while command != "Reveal":
+    command_type, *info = command.split(":|:")
+    error_found = False
+
+    if command_type == "ChangeAll":
+        main_msg = main_msg.replace(info[0], info[1])
+
+    elif command_type == "Reverse":
+        substring = info[0]
+
+        if substring not in main_msg:
+            print("error")
+
+            error_found = True
+        else:
+            main_msg = main_msg.replace(substring, "", 1) + substring[::-1]
+
+    elif command_type == "InsertSpace":
+        idx_to_insert = int(info[0])
+        main_msg = main_msg[:idx_to_insert] + " " + main_msg[idx_to_insert:]
+
+    if not error_found:
+        print(main_msg)
+
+    command = input()
+
+print(f"You have a new text message: {main_msg}")