Python string strip()用法及代码示例

strip()是Python编程语言中的内置函数，该函数返回删除了前导和尾随字符的字符串的副本(基于传递的字符串参数)。
用法:

string.strip([chars])
参数：
There is only one optional parameter in it:
1)chars - a string specifying 
the set of characters to be removed. 

If the optional chars parameter is not given, all leading 
and trailing whitespaces are removed from the string.
返回值：
Returns a copy of the string with both leading and trailing characters removed.

# Python3 program to demonstrate the use of 
# strip() method   
  
string = " geeks for geeks " 
  
# prints the string without stripping 
print(string)  
  
# prints the string by removing leading and trailing whitespaces 
print(string.strip())    
  
# prints the string by removing geeks 
print(string.strip(' geeks'))

输出：

 geeks for geeks 
geeks for geeks
for

错误：
当我们尝试剥离字符串以外的任何内容时，都会出现运行时错误。系统给出的输出显示

# Python3 program to demonstrate the use of 
# strip() method error 
  
string = " geeks for geeks "
list =[1, 2, 3]  
  
# prints the error message 
print(list.strip()) 

输出：

Traceback (most recent call last):
  File "/home/1bdead5a6ad1dbb0db1c6a2663874e4c.py", line 8, in 
    print(list.strip()) 
AttributeError:type object 'list' has no attribute 'strip'

实际应用：
给定一个字符串，请从开头和结尾删除单词“The”的出现。

# Python3 program to demonstrate the practical application 
# strip()  
  
  
string = " the King has the largest army in the entire world the" 
  
# prints the string after removing the from beginning and end 
print(string.strip(" the"))

输出：

King has the largest army in the entire world