while的迴圈裏面
要記得給變異數累加的數值 (n=n+1 or n+=1)
否則迴圈轉不起來
n=1
sum=0
while n<=10:
sum=sum+n
n+=1 # n持續+1 迴圈的重要條件
print(sum)
x=1
sum=0
for x in range(11):
sum=sum+x
print(sum)
s1=int(input("開始的數字:"))
s2=int(input("結束的數字:"))
s3=int(input("公差:"))
sum=0
while s1<=s2:
sum=sum+s1
s1+=s3
print(sum)
x=int(input("開始的數字:"))
y=int(input("結束的數字:"))
z=int(input("公差:"))
sum=0
for x in range(x,y+1,z):
sum=sum+x
print(sum)