# name = "yingkun"
# name = (1,2,3)
# print("hi name is %s"% (name,))

# print("{},{}".format("hello","world")) 不带字段

# print("{0},{1}".format('hello','world')) 带数字编号

# print("{0} {1} {0}".format('hello','world')) 打乱顺序

# print("{1} {1} {0}".format('hello','world'))

# print("{a} {tom} {a}".format(tom="hello",a="world"))

