%s(%s和%c)

'''%s %的用法%s为第二个%中的元素占位，将该元素格式化为字符串%d %的用法%d为第二个%中的元素占位，将该元素格式化为整型%s或%d，占位符，并且格式化%s，格式化为字符串%d，格式化为int'''#例name = input("who are you ? plea input your name: ")print("my name is : %s" %name)#例，第二个%中的字符串要用引号引起来print("hello %s, my name is %s" %('robert', 'bill'))print("My name is %s, and I'm %d" %('bill', 12))

运行结果：who are you ? plea input your name: bill

my name is : bill

hello robert, my name is bill

My name is bill, and I'm 12