Python string strip() Method



Python string | strip()

strip() is an inbuilt function in Python programming language that returns a copy of the string with both leading and trailing characters removed (based on the string argument passed).
Syntax: 

string.strip([chars])
Parameter: 
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.
Return Value:
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'))

Output:

    geeks for geeks     
geeks for geeks
for

 

# Python Program to demonstrate use of strip() method
str1 = 'geeks for geeks'
# Print the string without stripping.
print(str1)
# String whose set of characters are to be
# remove from original string at both its ends.
str2 = 'ekgs'
# Print string after stripping str2 from str1 at both its end.
print(str1.strip(str2))

Output:

geeks for geeks
 for

 

Working of above code :
We first construct a string str1 = ‘geeks for geeks’
Now we call strip method over str1 and pass str2 = ‘ekgs’ as argument.
Now python interpreter trace str1 from left.It remove the character of str1 if it is present in str2.
Otherwise it stops tracing.
Now python interpreter trace str1 from right. It remove the character of str1 if it is present in str2.
Otherwise it stop tracing.
Now at last it returns the resultant string.
When we call strip() without argument, it removes leading and trailing spaces.

# Python Program to demonstrate use of strip() method without any argument
str1 = """    geeks for geeks    """
# Print the string without stripping.
print(str1)
# Print string after removing all leading
# and trailing whitespaces.
print(str1.strip())

Input:

    geeks for geeks

Output:

geeks for geeks

Practical application: 
Given a string remove occurrence of word “the” from the beginning and the end.

# 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"))

Input:

the King has the largest army in the entire world the

Output:

King has the largest army in the entire world

 

 

Last Updated on October 28, 2021 by admin

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