22-while-continue

计算100以内偶数之和。
continue是跳过本次循环剩余部分，回到循环条件处。

sum100 = 0
counter = 0

while counter < 100:
    counter += 1
    # if counter % 2:
    if counter % 2 == 1:
        continue
    sum100 += counter

print(sum100)