Python Programming Exercise 4.7

I am providing the picture of the instructions and of the code i have written so far. I included the error to show what the results are that i am getting.

Instructions Write a script that decrypts a message coded by the method used in Project 6 Method used in project 6: 1. Add 1 to each character's numeric ASCll value. 2. Convert it to a bit string. 3. Shift the bits of this string one place to the left. A single-space character in the encrypted string separates the resulting bit strings. An example of the program input and output is shown below Hello world! Grading As you complete the instructions above you can use the Test button to check if the lab tests are passing. Once you are satisfied with the results, use the Grade button to save your score