2.13 带逗号的print语句输出的元素之间自动带个空格

what+'空格'*4，结果是后面四个空格

>>> who='k'
>>> what='Ni!'
>>> print('we are hte %s who say %s'%(who,((what+' ')*4)))
we are hte k who say Ni! Ni! Ni! Ni! 
>>> print('we are hte %s who say %s'%(who,(what+' '*4)))
we are hte k who say Ni!
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原文地址：https://www.cnblogs.com/hhj187/p/4627680.html