Python语法

发表于 分类于

sequence

列表(lists)

[1,2,3]

odds=[3,5,7,9,11]

list(range(1,3))

​ [1,2]

[odds[i] for i in range(1,3)]

​ [5,7]

sum([1,2,3])=6

sum([[1,2],[3]],[])=[1,2,3]

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  1. 函数参数加*号，代表将多个参数组装成列表

  2. 数组前面加参数，代表把数组拆分成多个逗号分割的变量，类似js中的展开符号.

def add(x,y):
    return x+y
ls=[10,12]
add(*ls)

range

tuple

immutable sequences

Lecture18

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