Geometric mean-algorithm without package

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I have a task to write a program which for a sequence number as a result give a geometric mean. I have to write this program without any package. The introduction of the program end, when users give a 0. The program should report an error if the first number is 0 and if the user gives a negative number.

def sequence():
    prod=1
    i=-1
    x=1
    n = int(input("Give a number: "))
    while True:
        if n == 0:
            break
        elif i==0:
            print("Error")
        else:
            prod=prod*n
            i=i+1
            result=prod**(1/i)
            print(" Średnia wartośc ciągu ", result)
            return i, suma
            sequence()

My program doesn't return anything.

mean python-3.x
1 Answers

I don't want to post the solution, I'd rather point out several problems with the code. Figuring them out on your own will make you a better coder. There are several problems with your algorithm:

  1. You'd better start with i=0
  2. elif i==0: won't work as you expect it has to be an if i==0: under if n==0:, so that you exit the loop when you get 0 from the user and you print Error when it is the first iteration.
  3. n = int(input("Give a number: ")) has to be within the loop, so that it gets assigned on every iteration of your algorithm.
  4. return i, suma should be outside the while loop.
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