Python学习之For训练

for i in range(5):
    print(i)
    print('range 5 test over')
for l in range(1,9):
    print(l)
    print('range 1 to 9 test over')
for n in range(1,9,2):
    print(n)
    print('range 1 to 9 add 2 test over')