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

摘要：集合：数字，列表，字符串，布尔值 索引取值 v = ["ds","dsads",1]print(v[2])切片取值 v = ["ds","dsads",1]print(v[0:2])列表是不连续的 所以列表元素可以进行修改修改： v = ["ds","dsads",1]v[1]=0print(v)删 阅读全文