知识点补充:有意思的函数合集
-
函数的返回值
def f1(): print('f1') return f3() def f3(): print('f3') a = f1() print(a) #输出结果为 f1 f3 None #注意此处的输出结果
-
函数的层次
def func(num): def inner(): print(num) return inner result = [] for i in range(10): f = func(i) result.append(f) print(i) print(result) v1 = result[0]() #注意此处运行的是哪一个函数 v2 = result[9]() print(v1,v2) #输出结果为 9 [<function func.<locals>.inner at 0x0000020603166DC0>, <function func.<locals>.inner at 0x0000020603166E50>, <function func.<locals>.inner at 0x0000020603166EE0>, <function func.<locals>.inner at 0x0000020603166F70>, <function func.<locals>.inner at 0x000002060317E040>, <function func.<locals>.inner at 0x000002060317E0D0>, <function func.<locals>.inner at 0x000002060317E160>, <function func.<locals>.inner at 0x000002060317E1F0>, <function func.<locals>.inner at 0x000002060317E280>, <function func.<locals>.inner at 0x000002060317E310>] 0 9 None None
-
推导式中循环的 i 值
-
v =[lambda:i for i in range(10)] result = v[5]() print(result) #输出结果为 9
-
不太清楚 func(name = None)的具体含义