<qiyuangong>020_Valid_Parentheses_2.py
def isValid( s):
    n = len(s)
    if n == 0:
        return True
    
    if n % 2 != 0:
        return False
    
    while '()' in s or '{}' in s or '[]' in s:
        s = s.replace('{}', '').replace('()', '').replace('[]', '')
    
    if s == '':
        return True
    else:
        return False
def sample_funcname ( var_0 ) :
    var_2 = len ( var_0 )
    if var_2 == 0 :
        return True
    if var_2 % 2 != 0 :
        return False
    while '()' in var_0 or '{}' in var_0 or '[]' in var_0 :
        var_0 = var_0.replace ( '{}' , '' ).replace ( '()' , '' ).replace ( '[]' , '' )
    if var_0 == '' :
        return True
    else :
        return False
