To comment out a line in Python, we use the # symbol. Start any line with that symbol and it will be treated as a comment.

You can translate user input to lowercase using Python's built-in "lower" string function. Access your Python editor. Prompt the user to enter data using the "raw_input" function and the "lower ...

M4N asks:. Is there a reason why functions in most(?) programming languages are designed to support any number of input parameters but only one return value?