python小学堂1，小学python教程

python小学堂1，小学python教程

sun=0
start=1
while True:
    start1=start%2
    if start1==1:
        sun = start + sun
    elif start1==0:
        sun=sun-start
    if start==100:
        break
    start += 1
print(sun)

 1 sun=0
 2 start=1
 3 while True:
 4     start1=start%2
 5     if start1==1:
 6         sun = start + sun
 7     elif start1==0:
 8         sun=sun-start
 9     if start==100:
10         break
11     start += 1
12 print(sun)

sun=0 start=1 while True: start1=start%2 if start1==1: sun = start + sun elif start1==0: sun=sun-start if start==100: break start += 1 print(sun) View Code 1 sun=0 2 start=1 3 while True: 4 start1=start%2 5 if start1==1: 6 sun = start + sun 7 elif start1==0: 8 sun=sun-start 9 if start==100: 10 break 11 start += 1 12 print(sun) View Code