python for i in 字符串_python使用[int(i) for i in range(i)]将数字或字符串转化为列表（推导式）...

运行效果：

>>> [int(i) for i in str(123)]

[1, 2, 3]

>>> [int(i) for i in range(10)]

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

>>> [int(i) for i in range(1,10,2)]

[1, 3, 5, 7, 9]

>>> [int(i) for i in range(1,10,-1)]

[]

>>> [int(i) for i in range(10,1,-1)]

[10, 9, 8, 7, 6, 5, 4, 3, 2]

>>> [int(i) for i in range(10,1,-2)]

[10, 8, 6, 4, 2]

>>> i=100

>>> [int(i) for i in str(i)]

[1, 0, 0]

>>> [str(i) for i in str(i)]

[1, , ]

>>> [i for i in str(i)]

[1, , ]

>>>

python的各种推导式(列表推导式、字典推导式、集合推导式)：

推导式comprehensions(又称解析式)，是Python的一种独有特性。推导式是可以从一个数据序列构建另一个新的数据序列的结构体。 共有三种推导，在Python2和3中都有支持：

一、列表推导式</