python average function program

1# Example to find average of list
2number_list = [45, 34, 10, 36, 12, 6, 80]
3avg = sum(number_list)/len(number_list)
4print("The average is ", round(avg,2))
5

1 avreage_cost = cost
2    avg = sum(avreage)/len(avreage) 
3    print("The average amout you spent is ", round(avg,2))

1#!/bin/python3
2
3import math
4import os
5import random
6import re
7import sys
8
9
10# write your code here
11def avg(*n):
12    sumOfNumber = 0
13    for t in n:
14        sumOfNumber = sumOfNumber + t
15    avge = sumOfNumber / len(n)
16    return avge
17if __name__ == '__main__':
18    fptr = open(os.environ['OUTPUT_PATH'], 'w')
19    
20    nums = list(map(int, input().split()))
21    res = avg(*nums)
22    
23    fptr.write('%.2f' % res + '\n')
24
25    fptr.close()