python 中字符串中含变量方法

1. 简单粗鲁的字符串拼接

1 name = "abc"
2 age = 25
3 info = "the name is "+name +"nthe age is " + str(age)
4 print(info)

运行结果：

 

2.%

name = "abc"

age = 25

info = "the name is %s nthe age is %s"%(name ,age)

print(info)

运行结果：

 

3.formate

name = "abc" age = 25
info_1 = "the name is {name_} nthe age is {age_}".format(name_=name ,age_= age)print(info_1)
info_2 = "the name is {0} nthe age is {1}".format(name ,age)print(info_2)
info_3 = "the name is {} nthe age is {}".format(name ,age)print(info_3)

运行结果：

 

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