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  • 字符串拼接

    msg = 'I am my hobby is %s' %'asd'

    多个

    msg = 'I am %s  my hobby is %s' %('asd' ''wer')

    %s  字符串

    %d  整形数字

    %f  浮点数

    保留几位  %.3s 

    保留几位小数  %.2f

    name = ‘Alex’

    age  =  23

    msg = ‘name 是 %s ,年纪是%d’ %(name,age)

    "name is %(name)s ,age is %(age)d" %{'name':'ad','age':23}

    tpl = "1 am {},afe {}".format(1,2)

    tpl = "i am {}, age {}, {}".format("seven"18'alex')

      
    tpl = "i am {}, age {}, {}".format(*["seven"18'alex'])
      
    tpl = "i am {0}, age {1}, really {0}".format("seven"18)
      
    tpl = "i am {0}, age {1}, really {0}".format(*["seven"18])
      
    tpl = "i am {name}, age {age}, really {name}".format(name="seven", age=18)
      
    tpl = "i am {name}, age {age}, really {name}".format(**{"name""seven""age"18})
      
    tpl = "i am {0[0]}, age {0[1]}, really {0[2]}".format([123], [112233])
      
    tpl = "i am {:s}, age {:d}, money {:f}".format("seven"1888888.1)
      
    tpl = "i am {:s}, age {:d}".format(*["seven"18])
      
    tpl = "i am {name:s}, age {age:d}".format(name="seven", age=18)
      
    tpl = "i am {name:s}, age {age:d}".format(**{"name""seven""age"18})
     
    tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(151515151515.876232)
     
    tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(151515151515.876232)
     
    tpl = "numbers: {0:b},{0:o},{0:d},{0:x},{0:X}, {0:%}".format(15)
     
    tpl = "numbers: {num:b},{num:o},{num:d},{num:x},{num:X}, {num:%}".format(num=15)
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  • 原文地址:https://www.cnblogs.com/goodgoodstudy2018/p/13231100.html
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