1def mul_by_num(num):
2 """
3 Returns a function that takes one argument and returns num
4 times that argument.
5 >>> x = mul_by_num(5)
6 >>> y = mul_by_num(2)
7 >>> x(3)
8 15
9 >>> y(-4)
10 -8
11 """
12 "*** YOUR CODE HERE ***"
13 return ______
14 return lambda num2: num * num2