#!/usr/bin/env python3

# print(r"hello world \t a")
# print("hello world %s" % 12)
# quit()

# str = "123456"
# print(str[4])

def hello():
    pass
ret = hello()
print ret
quit()

fruit = ['apple', 'banana', 'potato']
print(fruit)
bol = 'apple' in fruit
print(bol)
quit()

print(fruit[1])

dic = {
    "first": '1',
    "second": '2',
}
print(dic.get('second1'))


for i in range(1, 10, 2):
    print(i)
