code: def no_camel(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()
docs: Converts CamelCase to camel_case
  
      :param name:
      :return: