# %s可以接收一切 %d只能接收数字
msg = ‘i am %s my hobby is %s‘ %(‘lhf‘,‘alex‘)
print msg
msg2 = ‘i am %s my hobby is %d‘ %(‘lhf‘,1)
print msg2
#打印浮点数
tpl ="percent %.2f" %99.976 #截取几位
print tpl
tpl2 = "i am %(name)s age %(age)d" %{"name":"alex","age":18}
print tpl2
msg3 = ‘i am %(name)-60s‘ % {"name":"wangyue"}
print msg3
print (‘root‘,‘x‘,‘6‘,sep=‘:‘)
原文：https://www.cnblogs.com/wangyue0925/p/8930999.html
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