变量是什么? 变量的作用 Variables are used to store information to be referenced and manipulated in a computer program. They also provide a way of labeling data with a descriptive name, so our programs can be understood more clearly by the reader and ourselves
Python3 格式化输出 今天用字符串功能的时候,我突然忘记了格式化输出的方式X﹏X.所以赶紧恶补一下. 1.打印字符串 print("My name is %s" %("Alfred.Xue")) #输出效果: My name is Alfred.Xue 2.打印整数 print("I am %d years old." %(520)) #输出效果: I am 520 years old. 3.打印浮点数 print ("His h