#!/usr/bin/env python
# -*- coding: utf-8 -*-
#first

#%d	整数
#%f	浮点数
#%s	字符串
#%x	十六进制整数

names = ['Michael', 'Bob', 'Tracy']
for name in names:
    print name


print int("1")

sum = 0
for x in [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]:
    sum = sum + x
print sum


n = 99
while n >= 0:
    n = n - 1
    print n
