py-day3-1 python 风湿理论之函数即变量

# 风湿理论之函数即变量
def foo():
    print('from foo')
    bar()
def bar():
    print('from bar')
foo()

from foo
from bar

def bar():
    print('from bar')
def foo():
    print('from foo')
    bar()
foo()

from foo
from bar