"""
dictionary membership test
"""

squares = {1: 1,
           3: 9,
           5: 25,
           7: 49,
           9: 81}

# only for keys
print(1 in squares)
print(3 in squares)
print(5 in squares)
print()

# for values
print(25 in squares)
print(49 in squares)
print(81 in squares)