parameters: (name)
return_statement: return re.sub(r'\W|^(?=\d)', '_', name)
docstring: Converts a string into a valid Python variable name
docstring_summary: Converts a string into a valid Python variable name
docstring_tokens: Converts a string into a valid Python variable name
function: def clean_variable_name(name):
      """Converts a string into a valid Python variable name"""
      return re.sub(r'\W|^(?=\d)', '_', name)
function_tokens: def clean_variable_name ( name ) : return re . sub ( r'\W|^(?=\d)' , '_' , name )