一、
被2或者被3整除的正整數(shù)依次是:2,3,4,6,8,9,10,12,14,15,16,18...
定義一個(gè)函數(shù),求第n個(gè)被2或者被3整除的正整數(shù)是多少?
例如:
1.png!thumbnail.png
def main(num):
i = 1
a = 0
while True:
if i%2 == 0 or i%3 == 0:
a = a + 1
if a == num:
print('第' + str(num) + '個(gè)被2或者3整除的數(shù)字是:' + str(i))
break
i = i + 1
else:
i = i + 1
x = input('請(qǐng)輸入第n個(gè)被2或者3整除的數(shù)字是:')
main(x)