Replace left most comma with two characters

Question

I want to change a,b,c to a,b=>c but after finding the last comma index using rfind, how should I replace the , with => ？

Possible duplicate of [Right-to-left string replace in Python?](https://stackoverflow.com/questions/9943504/right-to-left-string-replace-in-python) — damores, Mar 05 '18 at 11:24

score 4 · Answer 1 · answered Mar 05 '18 at 11:33

4

a = "a,b,c"

'=>'.join(a.rsplit(',',1))

Output:- 'a,b=>c'

answered Mar 05 '18 at 11:33

Rohit Chopra

1 Answers1