def is_lval(t):
    """Does not chceck whether t is not resticted or internal"""
    if not t:
        return False
    i = iter(t)
    if i.next() not in IDENTIFIER_START:
        return False
    return all(e in IDENTIFIER_PART for e in i)
def is_lval(t):
    """Does not chceck whether t is not resticted or internal"""
    if not t:
        return False
    i = iter(t)
    if i.next() not in IDENTIFIER_START:
        return False
    return all(e in IDENTIFIER_PART for e in i)
def is_lval ( t ) : if not t : return False i = iter ( t ) if i . next ( ) not in IDENTIFIER_START : return False return all ( e in IDENTIFIER_PART for e in i )
Does not chceck whether t is not resticted or internal
Does not chceck whether t is not resticted or internal