Python字符串格式化的方法介绍

这篇文章主要介绍了Python字符串格式化的方法（两种） ，小编觉得挺不错的，现在分享给大家，也给大家做个参考。一起跟随小编过来看看吧

>>> s = 'i am %s,age %d' %('cai',18)

>>> print(s)

i am cai,age 18

 

>>> s = 'i am %(n1)s,age %(n2)d' %{'n1':'cai','n2':18}

>>> print(s)

i am cai,age 18

 

>>> s = 'i am %(n1)+10s,age %(n2)d' %{'n1':'cai','n2':18}

>>> print(s)

i am    cai,age 18

 

>>> s = 'i am %(n1)+10s,age %(n2)10d' %{'n1':'cai','n2':18}

>>> print(s)

i am    cai,age     18

 

>>> s = "i am %.3f abcd" %1.2

>>> print(s)

i am 1.200 abcd 

i1 = "i am {},age {} ,{}".format('cairui',18,'kk')
print(i1)
  i am cairui,age 18 ,kk
i1 = "i am {0},age {1} ,{0}".format('cairui',18)
print(i1)
  i am cairui,age 18 ,cairui
i1 = "i am {name},age {age} ,{name}".format(name='cairui',age=18)
print(i1)
  i am cairui,age 18 ,cairui
i1 = "i am {:s},age {:d} ,{:f}".format('cairui',18,6.1)
print(i1)
  i am cairui,age 18 ,6.100000 

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