By calling one function after another, in sequence, you can have the program do different things in sequence.

doSomething()
doAnotherThing()

In Python, there is the concept of an empty statement, which is the keyword pass in the context where a statement is expected. The pass statement serves as a convenient placeholder for a statement or statements that the programmer will fill in later to complete some functionality.

def myUnfinished():
    # Fill in code later to complete this function!
    pass