a = lambda x:x+1 #冒号前是入参,冒号后是返回值 result = a(1) print(result) b = lambda x,y:x+y print(b(2,3)) # filter(str,[1,2,3,4,5]) res = filter(lambda x:str(x),[1,2,3,4,5]) print(res)
简单函数可以直接写成匿名函数不带函数名这种!