摘要:
今天要记录一下自己懵逼的一天,原来自己是Ubuntu系统,还以为是centos,导致命令错了 There are no enabled repos.Run "yum repolist all" to see the repos you have.You can enable repos with y 阅读全文
摘要:
def mul(*x): if len(x)==0: raise TypeError('hello world') else: for ii in x: if not isinstance(ii,(int,float)): raise TypeError('hello world') n = 1 f 阅读全文