a = 10

if a < 3:
    print('one')
elif a < 8:
    print('two')
else:
    print('three')

letters = ['a', 'b', 'c']
present = 'a' in letters
print('present:', present)

print('and', 1 and 2 and 0)
print('or', 1 or 2 or 0)
