From 1ce12e777acd3f40c0341dc83277ff0a2df5c651 Mon Sep 17 00:00:00 2001
From: vikash <beastthermal@gmail.com>
Date: Thu, 12 Nov 2020 00:39:34 +0530
Subject: [PATCH]  comments were added for better understanding.

---
 python3code/chapter02/forelse.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/python3code/chapter02/forelse.py b/python3code/chapter02/forelse.py
index daac13a..cc753b3 100644
--- a/python3code/chapter02/forelse.py
+++ b/python3code/chapter02/forelse.py
@@ -4,12 +4,15 @@
 '''
 
 from math import sqrt
+"""
+math is module/ library under python which  can perform simple math operations.
+"""
 
-for n in range(99, 1, -1):
-    root = sqrt(n)
-    if root == int(root):
+for n in range(99, 1, -1): # we are iterating the for loop starting from 99 with a diffrence of 1 and ends at 10 (including).
+    root = sqrt(n) # this will calculate the square root of n 
+    if root == int(root):# we are checking data type
         print(n)
-        break
+        break # if condition not satisfy it will move out of loop
 
 else:
-    print("Nothing.")
+    print("Nothing.") # when above execution  condition fails.