python-装饰器2
1.函数既“变量
def bar():
print("in the bar")
def foo():
print("in the foo")
bar()
foo()
def foo():
print("in the foo")
bar()
foo()
def bar():
print("in the bar")
foo()

匿名函数
niming=lambda x:x*5
print(niming(3))