关于print函数

a='''\hello %(name)s!please take your %(items)s and give it to %(someone)stime:%(time)s'''b={'items': 'knife', 'time': '23:30', 'name': 'chensheng', 'someone': 'zgl'}print (a % b)

运行结果为：

hello chensheng!        please take your knife and give it to zgl                                                time:23:30

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a='hello {} ,today is {}'print (a.format('bob',' monday'))

运行结果：

hello bob ,today is  monday

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a='this is a'b='this is b'c='this is c'print ('this is 1',end='-|end|-')print ('this is 2',a,b,c,sep='-|sep|-')print ('this is 3')

运行结果：

this is 1-|end|-this is 2-|sep|-this is a-|sep|-this is b-|sep|-this is cthis is 3

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fp=open(r'c:\123.txt','w')txt='hello world'print (txt,file=fp)del fpprint (open(r'c:\123.txt').read())

运行结果:

hello world