Can somebody help me? Can somebody tell me what's true and what's false?

You cannot have both keyword arguments and non-keyword arguments in a function call. Some library functions are built into the Python interpreter. You do not need to have an import statement in a program to use the functions in the random module. Complex mathematical expressions can sometimes be simplified by breaking out part of the expression and putting it in a function. A function in Python can return more than one value. IPO charts provide only brief descriptions of a function's input, processing, and output, but do not show the specific steps taken in a function