python基础学习——字符串格式化

一、%百分号_字符串格式化

1、%s替换所有数据类型

name="I am %s my %s is %s"%("lucy","name","cc") name1="I am %s my %s is %s"%("lucy","name",[1,2]) print(name) print(name1) 结果： I am lucy my name is cc I am lucy my name is [1, 2]

2、%d替换数字

name="I am %s my %s is %d"%("lucy","age",12) name1="nana" age=19 name1="my %s is %s"%(name1,age) print(name) print(name1) 结果： I am lucy my age is 12 my nana is 19

3、%f打印浮点数

nums="percent %f"