nums=[1,2,7,0] target=9 for i in nums: for j in nums: if i+j==target and nums.index(i)<nums.index(j): return [nums.index(i),nums.index(j)]
File "<ipython-input-45-7bae4e6f6d77>", line 7 return [nums.index(i),nums.index(j)] SyntaxError: 'return' outside function
往哪里return啊
都没有定义函数,你却用上了return。。。。。