From c0c3c4c624caa5bf339707baee143aba0617b32c Mon Sep 17 00:00:00 2001
From: girraj jangid <34280160+Girrajjangid@users.noreply.github.com>
Date: Fri, 7 Dec 2018 14:34:54 +0530
Subject: [PATCH] Add 'changes' to this article (#25019)

* Add 'changes' to this article

* add changes to this file
---
 guide/english/python/itertools/index.md | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/guide/english/python/itertools/index.md b/guide/english/python/itertools/index.md
index 48fe691059..39887e8df0 100644
--- a/guide/english/python/itertools/index.md
+++ b/guide/english/python/itertools/index.md
@@ -42,6 +42,17 @@ list(izip([1, 2, 3], ['a', 'b', 'c']))
 # Output
 # [(1, 'a'),(2, 'b'),(3, 'c')]
 ```
+### compress()
+
+It make an iterator that filters elements from data returning only those that have a corresponding element in selectors that evaluates to True. Stops when either the data or selectors iterables has been exhausted.
+
+```py
+import itertools
+itertools.compress('ABCDEF', [1,0,1,0,1,1]) 
+
+# Output
+# A C E F
+```
 
 ### Combinatoric iterators
 
@@ -69,5 +80,7 @@ list(product(*B))
 # [(1, 3, 7), (1, 3, 8), (1, 4, 7), (1, 4, 8), (1, 5, 7), (1, 5, 8), (2, 3, 7), (2, 3, 8), (2, 4, 7), (2, 4, 8), (2, 5, 7), (2, 5, 8), (3, 3, 7), (3, 3, 8), (3, 4, 7), (3, 4, 8), (3, 5, 7), (3, 5, 8)]
 ```
 
-Source: https://docs.python.org/3/library/itertools.html
-https://www.hackerrank.com/challenges/itertools-product/problem
+#### More Information
+- [Python Itertools Docs](https://docs.python.org/3/library/itertools.html)
+- [Hackerrank](https://www.hackerrank.com/challenges/itertools-product/problem)
+