############### HELLO THIS IS MY CODE ###################### ### 格式化字符串 s = "{0} is {1}" ##### 占位符必须从0 开始,按顺序排 c = s.format('zrz','goodman') print (c) Read More
++++++++++++++ My Code +++++++++++++++ # set s1 = set ([11,22,33]) s2 = set([33,44,55]) ret = s1.difference(s2) ret2 = s2.symmetric_difference(s2) pri Read More