Python Programming Tip - How to write function to convert camel case to snake case?

Today i am going to show How to write function to convert camel case to snake case in python with simple code. I hope you will understand this.
If you have any query you can ask.
i hope you will like it.

import re
def convert(name):
      s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
      return re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1).lower()
print convert('JavaBeans')
print convert('JavaStrutsSwing')



OUTPUT

java_beans
java_struts_swing