parameters: (source_string, indentation)
return_statement: return ''.join(lines)
docstring: Indent string some number of characters.
docstring_summary: Indent string some number of characters.
docstring_tokens: Indent string some number of characters .
function: def _IndentString(source_string, indentation):
    """Indent string some number of characters."""
    lines = [(indentation * ' ') + line
             for line in source_string.splitlines(True)]
    return ''.join(lines)
function_tokens: def _IndentString ( source_string , indentation ) : lines = [ ( indentation * ' ' ) + line for line in source_string . splitlines ( True ) ] return '' . join ( lines )