def square_of_sum(L):
   sum=0
   for i  in L:
      sum=sum+i*i
   return  sum
print("列表里的和为:".format(square_of_sum([1,2,3,4,5,6,7,8])))这样子输出不能输出结果和
删除format 就可以
print("列表里的和为:".format(square_of_sum([1,2,3,4,5,6,7,8])))这一句的冒号是中文输入法改成英文然后输入冒号就行了
def square_of_sum(L):
   sum=0
   for i  in L:
      sum=sum+i*i
      
      
      
   return  sum
print("列表里的和为:{}".format(square_of_sum([1,2,3,4,5,6,7,8])))