# 0 to 9
def print0To9():
    for num in range(0,10): #0 이상 10 미만
         print(num)
print0To9()

# 1 ~ 10
def print1To10():
    for num in range(1,10+1):
        print(num)
print1To10()

# 1 ~ 100
def print1To100():
    for num in range(1,100+1):
        print(num)
print1To100()