Learning how to define a function in Python is one of the most important steps to mastering the language. Functions are blocks of code that perform a specific task and can be “called” from any ...

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 ...

In most programming languages, user input comes from a source known as standard input (or stdin). In Python, sys.stdin is a read-only ... This facility requires that you define your test function with ...