# _*_ coding:utf-8 _*_

print(r'''hello world
from dantegg''')

print(u'''哈哈''')

print('''测试
换行,
换行,''')


t=('a','b',['A','B'])

print(t)

L = t[2]
L[0] = 'x'
L[1] = 'y'

print(t)

age = 20
if age >= 18:
    print('you age is', age)
    print('you are adult')

age = 17
if age >= 18:
    print('your age is', age)
elif age < 18:
    print('you are a teenage')

n = 1
for i in range(10):
    n = n*2
    print(n)


L = (1, 2, 3, 4, 5, 6, 7, 8)
sum1 = 0
n = 0
for x in L:
    if x > 5:
        continue
    sum1 = sum1 + x
print(sum1)


xx = 20 % 2

print(xx)
