Python language that asks the user to enter a word and a specific letter to be replaced with the % character. If the letter entered does not appear...

Python language that asks the user to enter a word and a specific letter to be replaced with the % character. If the letter entered does not appear in the word, print an appropriate message. Hint: - refer to built-in functions for strings. 

Sample runs:  Enter a word: Sunday  Enter a letter: a  Sund#y  Enter a word: Excellent  Enter a letter: b  The character b does not occur in the word Excellent.