AILEARNER_L的博客

class Pizza(object): def __init__(self): self.toppings = [] def __call__(self, topping): # When using '@instance_of_pizza' before a function definition # the function...

相当于截取列表的一种方法。 1.当只输入一个参数，默认为end a = ["a", "b", "c", "d"] x = slice(3) a[x] #output:['a', 'b', 'c'] 2.当输入两个参数时，默认为start 和and a = ["a", "b", "c", "d"] x = slice(1,3) a[x] #output:['b','b'] 3.输入三个...