6-8 set特点这一节
x = '???' # 用户输入的字符串if x!= 'MON' and x!= 'TUE' and x!= 'WED' ... and x!= 'SUN': print 'input error'else: print 'input ok' 这一段是什么意思呀,看不懂诶~~~向大神们求助~~~
x = '???' # 用户输入的字符串if x!= 'MON' and x!= 'TUE' and x!= 'WED' ... and x!= 'SUN': print 'input error'else: print 'input ok' 这一段是什么意思呀,看不懂诶~~~向大神们求助~~~
2018-08-31
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