while True:
a = input("请录入一个整数(输入STOP结束):")
#########
if a == "STOP":
break
nums.append(a)
target = int(input("请录入目标整数:"))
i = 0
for i in range(len(nums)):
for j in range(i+1,len(nums)):
print("当前i和j是",i,j)
if nums[i] + nums[j] == target: //为什么我的代码就是走不到这个if分支里面来?
print(nums[i])
print(i,j)