Python - replace last character in string

In this article, we would like to show you how to replace the last character in string in Python.

Quick solution:

text = "ABC"

size = len(text)   # text length
replacement = "X"  # replace with this

text = text.replace(text[size - 1:], replacement)

print("String after: ", text)  # ABX

Practical example

In this example, we use replace() method to replace the last character in text string.

text = "ABC"

print("String before:", text)

size = len(text)   # text length
replacement = "X"  # replace with this

text = text.replace(text[size - 1:], replacement)

print("String after: ", text)  # ABX

Output:

String before: ABC
String after:  ABX