python how to replace a letter in a string code example

Example 1: python replace char in string

# Python3 program to demonstrate the  
# use of replace() method   
  
string = "geeks for geeks geeks geeks geeks" 
   
# Prints the string by replacing geeks by Geeks  
print(string.replace("geeks", "Geeks"))  
  
# Prints the string by replacing only 3 occurrence of Geeks   
print(string.replace("geeks", "GeeksforGeeks", 3))

Example 2: replace character in string python

>>> x = 'xpple bxnxnx cherry'
>>> a = x.replace(x,a)  # replaces x with a
'apple banana cherry'

>>> first_a = x.replace(x,a,1)  # only replaces first a
'apple bxnxnx cherry'

Example 3: replace characters in string python

>>> a = '&#'
>>> print a.replace('&', r'\&')
\&#
>>> print a.replace('#', r'\#')
&\#
>>>