Python: Recursive function to find the largest number in the list

Question

I\'m trying to do a lab work from the textbook Zelle Python Programming

The question asked me to \"write and test a recursive function max() to find the

Answer 1

def find_max(arr):
  """find maximum number in array by recursion"""
  if arr == []: # if its an empty array
    return 0
  if len(arr) == 1: # if array has only one element
    return arr[0]
  else: # get max of first item compared to other items recursively
    return max(arr[0], find_max(arr[1:])) # 1: means all other excluding 0th element

def main():
  print(find_max([2,3,5,6,7,1])) # will print max - 7

if __name__ == "__main__":
  main()