
# print numbers from 0 to not including 10
print('example 1')
for i in range(10):
    print(i)

print('example 2')
# print numbers from 12 to not including 18
for i in range(12, 18):
    print(i)

print('example 3')
# prnt numbers from 10 to not including 20 with a step of +2
for i in range(10, 20, 2):
    print(i)

print('example 4')
# print numbers from 5 to not including -1 with a step of -1
for i in range(5, -5, -1):
    print(i)
