mirror of
https://github.com/beyondx/Notes.git
synced 2026-02-03 10:23:27 +08:00
39 lines
904 B
Plaintext
39 lines
904 B
Plaintext
Content-Type: text/x-zim-wiki
|
||
Wiki-Format: zim 0.4
|
||
Creation-Date: 2012-12-02T10:31:10+08:00
|
||
|
||
====== int ======
|
||
Created Sunday 02 December 2012
|
||
|
||
|
||
In [12]: lst = '123\n' //如果字符串中包含__空字符(如空格, \t, \v, \f, \n, \r)等__,int(), float()等函数仍然有效。
|
||
In [13]: lst
|
||
Out[13]: '123\n'
|
||
|
||
__In [14]: int(lst)__
|
||
__Out[14]: 123__
|
||
|
||
In [15]: lst = '123\n\t'
|
||
|
||
In [16]: lst
|
||
Out[16]: '123\n\t'
|
||
|
||
In [18]: int(lst)
|
||
Out[18]: 123
|
||
|
||
|
||
In [19]: lst = '123\nstr' //字符串中包含除了数字外的非空字符,转换时提示错误。
|
||
|
||
In [20]: lst
|
||
Out[20]: '123\nstr'
|
||
|
||
In [21]: int(lst)
|
||
---------------------------------------------------------------------------
|
||
ValueError Traceback (most recent call last)
|
||
<ipython-input-21-7fdf78d62dad> in <module>()
|
||
----> 1 int(lst)
|
||
|
||
__ValueError:__ invalid literal for int() with **base 10**: '123\nstr'
|
||
|
||
In [22]:
|