摘要： # s=set('hello')# print(s)## s=set(['alex','alex','hello'])# print(s)# s={1,2,3,4,5,6}#添加# s.add('s')# s.add('3')# s.add(3)# print(s)# s.clear()# prin 阅读全文

摘要： msg='i am %s my hobby is %s' % ('chb','coding')print(msg)字符串%s name = 'chb'age = 19msg = 'i am %s my hobby is %d' % (name, age)print(msg) #打印浮点数tpl = 阅读全文