# -*-coding:utf-8 -*- 
__author__ = 'Yemilice_lau'
a = 'hello,world'
for i in a:
    print i

x = [z for z in range(1,20,3)]
print x
c = {'GOOD':490,'ALEX':123,'sldsd':123.15}
for key in c:
    print key,c[key]
f = open('foo.txt')
for line in f:
    print line







# if __name__ == '__main__':