Python function

Question

Write a function that takes in an integer n, then returns a string made out of 2 to the n power of dollar signs, for any nonnegative value of n. No print statements allowed in the function.

Answer 1

import math

def StrDollars(n):

N = pow(2,int(n))

dollarStr = ""

for iLoop in range(N):

dollarStr=dollarStr+"$"

return dollarStr

n=-1

while (int(n)<0):

n = input ("Please input N :>")

dollarStr = StrDollars(n)

print(dollarStr)