created encrypt-decrypt.py

encrypt-decrypt.py

@@ -0,0 +1,46 @@
+count = 0 
+while True: 
+    userName = input("\n\nUsername: ") 
+    from getpass import getpass
+    password =getpass()
+    count += 1
+    if count == 3:  
+        print("Bye!");
+        break     #The program stops when the user enters the wrong username or password three times
+    else:
+   # Change your password and Username
+        if userName == 'ap' and password == '1234':
+
+            decrypted = b"abcdefghijklmnopqrstuvwxyz!@#$%^&*()1234567890 "
+      # your own encryption methode 
+      # Importent : Do not write one charactor multiple times
+            encrypted = b"qmlpoknjiuhbvgytfcxdreszaw3465217809(@)!#*^$%& "
+
+            encrypt_table = bytes.maketrans(decrypted, encrypted)
+            decrypt_table = bytes.maketrans(encrypted, decrypted)
+
+
+            result = ''
+            choice = ''
+            message = ''
+
+            while choice != '3':
+                choice = input("---------------------------------------------------"
+			       "\n Do you want to encrypt or decrypt the message?\n"
+			       "  1. encrypt\n  2. decrypt\n  3. exit program.\n\nchoose: ")
+            # encryption process
+                if choice == '1':
+                    message = input('\nEnter message for encryption: ')
+                    result = message.translate(encrypt_table)
+                    print("\n==> " + result + '\n')
+
+            # decryption process
+                elif choice == '2':
+                    message = input('\nEnter message to decrypt: ')
+                    result = message.translate(decrypt_table)
+                    print("\n==> " + result + '\n')
+
+                elif choice != '3':
+                    print('\n\nIncorrect Choice! \n')
+            break         
+