Given a number, return the total sum of that number multiplied by every number between 1 and 10. Do not use the sum() built-in function.
multi_sum(1) β 55
# 1 x 1 + 1 x 2 + 1 x 3 ...... 1 x 9 + 1 x 10 = 55
multi_sum(6) β 330
# 6 x 1 + 6 x 2 + 6 x 3 ...... 6 x 9 + 6 x 10 = 330
multi_sum(10) β 550
multi_sum(8) β 440
multi_sum(2) β 110
Use recursion to solve this challenge.