type 用来检测数据类型 num = 1 print(type(num)) 格式化占位符 name = 'fdas' num = 1 print('wds=%s, dfd=%06d' % (name, num)) b = 2.325 print('fsda%.7f' % b) print("wdw%%fwe%%" %()) wdw%fwe% name = 'fdfd' age = 324 pri