input: Write a python function to calculate the sum of squares of a list of numbers.
  assert sum_sq_list([1, 2, 3, 4]) == 30
  assert sum_sq_list([0, -1, -2]) == 5
  assert sum_sq_list([5, 10]) == 125
output: def sum_sq_list(lst):
      return sum(x**2 for x in lst)