

'''

test for public variable

'''


# x1=1

# y2=2

# print x1

# class cal:
#     def __init__(self, v):
#         self.val=v

#     def changex(self):
#         x1=10

# calculation=cal(9)
# calculation.changex()

# print x1

char_set = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5}
from random import choice
chars = choice(char_set.keys())
print choice(chars)