print(sum) 1. 2. 3. 4. 5. 6. 7. 8. 2、while循环 sum = 0i = 100while (i > 0) { sum = sum + i i = i - 1} print(sum) 1. 2. 3. 4. sum = 0i = 1j = 100while (i <= j) { sum = sum + i i = i + 1} print(sum) 1. 2. 3. 4. 求1-100内奇数的和 ...