Sum of a sequence
2019-01-29 本文已影响0人
是不及呀
| * | * |
|---|---|
| 链接 | Sum of a sequence |
| 难度 | 7kyu |
| 状态 | TODO |
| 日期 | -- |
题意
题解1
def sequence_sum(begin_number, end_number, step):
#your code here
if begin_number > end_number:
return 0
sum = 0
num = begin_number
while num <= end_number:
sum += num
num += step
return sum
def sequence_sum(begin_number, end_number, step):
#your code here
if begin_number > end_number:
return 0
sum = 0
num = begin_number
while num <= end_number:
sum += num
num += step
return sum
题解2
利用python的range结构
def sequence_sum(begin_number, end_number, step):
return sum(range(begin_number, end_number + 1, step))
