Convert between camel and snake

camel_and_snake.py

# Credit:
# https://stackoverflow.com/questions/19053707/converting-snake-case-to-lower-camel-case-lowercamelcase
# https://stackoverflow.com/questions/1175208/elegant-python-function-to-convert-camelcase-to-snake-case/32064723

import re

def camel_to_snake(s):
    return re.sub('([a-z0-9])([A-Z])', r'\1_\2', re.sub('(.)([A-Z][a-z]+)', r'\1_\2', s)).lower()

def snake_to_camel(s):
    return "".join((x.capitalize() for x in s.split('_')))