原文:https://www.cnblogs.com/linhaifeng/articles/6113086.html#_label6
函数作用域
# def test1(): # print('in the test1') # def test(): # print('in the test') # return test1 # # # print(test) # res=test() # print(res()) #test1() #函数的作用域只跟函数声明时定义的作用域有关,跟函数的调用位置无任何关系 # name = 'alex' # def foo(): # name='linhaifeng' # def bar(): # # name='wupeiqi' # print(name) # return bar # a=foo() # print(a) # a() #bar() name='raitorei' def foo(): name='asher' def bar(): name='ray' print(name) def tt(): print(name) return tt return bar # bar=foo() # tt=bar() # print(tt) # tt() # r1 = foo() # r2 = r1() # tt # r3 = r2() foo()()()
匿名函数
# lambda x:x+1 # def calc(x): # return x+1 # # res=calc(10) # print(res) # print(calc) # # print(lambda x:x+1) # func=lambda x:x+1 # print(func(10)) # name='raito' #name='raito_rei' # def change_name(x): # return name+'_rei' # # res=change_name(name) # print(res) # # func=lambda x:x+'_rei' # res=func(name) # print('匿名函数的运行结果',res) # func=lambda x,y,z:x+y+z # print(func(1,2,3)) # 6 # func=lambda x,y,z:x+y+z # print(func('raito','_rei','_ray'))#raito_rei_ray # def test(x,y,z): # return x+1,y+1 #----->(x+1,y+1) # fun = lambda x,y,z:(x+1,y+1,z+1) # print(fun(1,2,3))#(2, 3, 4) lambda x,y,z:(x+1,y+1,z+1)