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Average Function | hackerrank certification problem solution


Implement a function that:
1. Is named avg
2. Takes a variable number of integer arguments; it is guaranteed that at least one argument            will be passed
 3. Returns the average value of the passed arguments as a float
The implementation will be tested by a provided code stub on several input files. Each input file contains one line with space-separated arguments for the function. The function will be called with those arguments, and the returned result will be printed to the output with exactly 2 decimal places.

3 arguments are read and passed to the function: 1, 2, and 3. 
The average is calculated to be (1+2+3)/3 =2.00. 
This is then returned as a float to be printed.



import math
import os
import random
import re
import sys

def avg(*l):
    for i in l:
    return (f/len(l))
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')
    nums = list(map(int, input().split()))
    res = avg(*nums)
    fptr.write('%.2f' % res + '\n')


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