diff --git a/HackerRank-A Very Big Sum/A_Very_Big_Sum.py b/HackerRank-A Very Big Sum/A_Very_Big_Sum.py
index bc7e073..a76cc20 100644
--- a/HackerRank-A Very Big Sum/A_Very_Big_Sum.py
+++ b/HackerRank-A Very Big Sum/A_Very_Big_Sum.py
@@ -1,26 +1,35 @@
#!/bin/python3
+# Import necessary modules
import math
import os
import random
import re
import sys
-# Complete the aVeryBigSum function below.
+
+# Define a function called 'aVeryBigSum' that takes a list 'ar' as input and returns the sum of its elements
def aVeryBigSum(ar):
- sum = 0
- for i in range(len(ar)):
- sum+=ar[i]
- return sum
+ sum = 0 # Initialize a variable 'sum' to store the total sum of elements in the list
+ for i in range(len(ar)): # Loop through each element in the list using its index
+ sum += ar[i] # Add the current element to the running sum
+ return sum # Return the final sum after the loop finishes
if __name__ == '__main__':
+ # Open a file for writing the output. The file path is specified in the 'OUTPUT_PATH' environment variable.
fptr = open(os.environ['OUTPUT_PATH'], 'w')
+ # Read the number of elements in the array from the user input and store it in 'ar_count'
ar_count = int(input())
+ # Read the elements of the array from the user input, split the input by whitespace, and convert each element to an integer.
+ # Create a list 'ar' containing these integers.
ar = list(map(int, input().rstrip().split()))
+ # Call the 'aVeryBigSum' function with the 'ar' list as input, and store the result in 'result'
result = aVeryBigSum(ar)
+ # Write the result to the output file and append a newline character at the end.
fptr.write(str(result) + '\n')
+ # Close the output file.
fptr.close()
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