Access your Python editor. Prompt the user to enter data using the "raw_input" function and the "lower" function. For example, type:text = raw_input ("Enter a Letter: ").lower () print text Press ...

Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

lru_cache basics To memoize a function in Python, we can use a utility supplied in Python’s standard library—the functools.lru_cache decorator. lru_cache isn’t hard to use.