python-scope-explain.py

# global scope
outer = "eggshell"


def egg():
    # enclosing scope
    middle = "egg white"

    def inner_egg():
        # local scope
        inner = "yolk"

        print("global scope: " + outer)
        print("enclosing scope: " + middle)
        print("local scope: " + inner)

    inner_egg()

    # built-in scope (preserve keyword ex. if, for, break, continue)
    return True

egg()