python去掉空格的一些常用方式

string = "  * it is blank space test *  "
print (string.lstrip())

result:
* it is blank space test *  

string = "  * it is blank space test *  "
print (string.rstrip())

result:
  * it is blank space test *

string = "  * it is blank space test *  "
print (string.strip())

result:
* it is blank space test *

string = "  * it is blank space test *  "
str_new = string.replace(" ", "")
print str_new

result:
*itisblankspacetest*

import re

string = "  * it is blank space test *  "
str_new = re.sub(r"\s+", "", string)
print str_new

result:
*itisblankspacetest*

>>> a = " a b c "
 
>>> b = a.split()  # 字符串按空格分割成列表
 
>>> b ['a', 'b', 'c']
 
>>> c = "".join(b) # 使用一个空字符串合成列表内容生成新的字符串
 
>>> c 'abc'
 
 
 
# 快捷用法
 
>>> a = " a b c "
 
>>> "".join(a.split())
 
'abc'