源程式:
num = int(input("input the number of end:"))
sum1 = 0
i = 1
while i <= num:
sum1 = sum1 + i
i = i + 1
print(sum)
運作結果:
源程式:
num = int(input("input the number of end:"))
sum1 = 0
i = 1
while i <= num:
sum1 = sum1 + i
i = i + 1
print(sum)
運作結果: