a='''\
hello %(name)s!
please take your %(items)s and give it to %(someone)s
time:%(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
-------------------------------------------------------------------------------------------------------------
a='hello {} ,today is {}'
print (a.format('bob',' monday'))
运行结果:
hello bob ,today is monday
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 c
this is 3
-------------------------------------------------------------------------------------------------------------
fp=open(r'c:\123.txt','w')
txt='hello world'
print (txt,file=fp)
del fp
print (open(r'c:\123.txt').read())
运行结果:
hello world