How to use string.replace() in python 3.x
replace() is a method of <class 'str'> in python3:
>>> 'hello, world'.replace(',', ':')'hello: world'
The replace() method in python 3 is used simply by:
a = "This is the island of istanbul"print (a.replace("is" , "was" , 3))#3 is the maximum replacement that can be done in the string#>>> Thwas was the wasland of istanbul# Last substring 'is' in istanbul is not replaced by was because maximum of 3 has already been reached