parameters: (s, chars=None)
return_statement: return s.lstrip(chars)
docstring: lstrip(s [,chars]) -> string
  
      Return a copy of the string s with leading whitespace removed.
      If chars is given and not None, remove characters in chars instead.
docstring_summary: lstrip(s [,chars]) -> string
docstring_tokens: lstrip ( s [ chars ] ) - > string
function: def lstrip(s, chars=None):
      """lstrip(s [,chars]) -> string
  
      Return a copy of the string s with leading whitespace removed.
      If chars is given and not None, remove characters in chars instead.
  
      """
      return s.lstrip(chars)
function_tokens: def lstrip ( s , chars = None ) : return s . lstrip ( chars )