Question: Python Q1 Loop-By-Value vs Loop-By-Index 8 Points What is the main difference between looping-by-value andlooping-by-index(as discussed during lecture)? Using code, give anexample to describe your

Python

Q1 Loop-By-Value vs Loop-By-Index

8 Points

What is the main difference between looping-by-value andlooping-by-index(as discussed during lecture)? Using code, give anexample to describe your answer.

Q2 Verifying User Input

8 Points

When a user is asked to input one letter, how can you test tomake sure that a user entered only one? Assuming the user's inputis stored in a variable named, letter, write the code that displaysan appropriate error message.

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