# -*- coding: UTF-8 -*-  

def square_of_sum_list(L):

    for x in L：

        x=x*x 

    return sum(L)

print square_of_sum_list([1, 2, 3, 4, 5])

运行发现这个问题：

C:\LearnPython>python 7-3.py

  File "7-3.py", line 3

    for x in l锛?

              ^

SyntaxError: invalid syntax

求解释，谢谢