From b8ed0ee1dcf37e1bf02238301cfa4ca8ce7f6297 Mon Sep 17 00:00:00 2001
From: kunal saini <52192993+kunal254@users.noreply.github.com>
Date: Thu, 17 Feb 2022 13:00:32 +0530
Subject: [PATCH 1/4] Update 11_functions.md

---
 11_Day_Functions/11_functions.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/11_Day_Functions/11_functions.md b/11_Day_Functions/11_functions.md
index a80e5bf..d40c28a 100644
--- a/11_Day_Functions/11_functions.md
+++ b/11_Day_Functions/11_functions.md
@@ -365,7 +365,7 @@ print(generate_groups('Team-1','Asabeneh','Brook','David','Eyob'))
 ```py
 #You can pass functions around as parameters
 def square_number (n):
-    return n * n
+    return n ** n
 def do_something(f, x):
     return f(x)
 print(do_something(square_number, 3)) # 27

From 3e6f31e6d3aa9c4df1a6471e68da87c8166cb977 Mon Sep 17 00:00:00 2001
From: kunal saini <52192993+kunal254@users.noreply.github.com>
Date: Thu, 17 Feb 2022 14:53:33 +0530
Subject: [PATCH 2/4] Update 13_list_comprehension.md

---
 13_Day_List_comprehension/13_list_comprehension.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/13_Day_List_comprehension/13_list_comprehension.md b/13_Day_List_comprehension/13_list_comprehension.md
index d5c392f..3071ed4 100644
--- a/13_Day_List_comprehension/13_list_comprehension.md
+++ b/13_Day_List_comprehension/13_list_comprehension.md
@@ -92,7 +92,7 @@ numbers = [-8, -7, -3, -1, 0, 1, 3, 4, 5, 7, 6, 8, 10]
 positive_even_numbers = [i for i in range(21) if i % 2 == 0 and i > 0]
 print(positive_even_numbers)                    # [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
 
-# Flattening a three dimensional array
+# Flattening a two dimensional array
 list_of_lists = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
 flattened_list = [ number for row in list_of_lists for number in row]
 print(flattened_list)    # [1, 2, 3, 4, 5, 6, 7, 8, 9]

From c6b8030495d8239c8eeaa6b5d60687118cb4a422 Mon Sep 17 00:00:00 2001
From: kunal saini <52192993+kunal254@users.noreply.github.com>
Date: Fri, 18 Feb 2022 14:16:10 +0530
Subject: [PATCH 3/4] Update 15_python_type_errors.md

---
 15_Day_Python_type_errors/15_python_type_errors.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/15_Day_Python_type_errors/15_python_type_errors.md b/15_Day_Python_type_errors/15_python_type_errors.md
index 16c3e71..153201e 100644
--- a/15_Day_Python_type_errors/15_python_type_errors.md
+++ b/15_Day_Python_type_errors/15_python_type_errors.md
@@ -348,7 +348,7 @@ ZeroDivisionError: division by zero
 We cannot divide a number by zero.
 
 We have covered some of the python error types, if you want to check more about it check the python documentation about python error types.
-If you are good at reading the error types then you will be able to fix your bugs fast and you will also become a better programmer.
+If you are good at reading the error types, then you will be able to fix your bugs fast and you will also become a better programmer.
 
 🌕 You are excelling. You made it to half way to your way to greatness. Now do some exercises for your brain and for your muscle.
 
@@ -358,4 +358,4 @@ If you are good at reading the error types then you will be able to fix your bug
 
 🎉 CONGRATULATIONS ! 🎉
 
-[<< Day 14](../14_Day_Higher_order_functions/14_higher_order_functions.md) | [Day 16 >>](../16_Day_Python_date_time/16_python_datetime.md)
\ No newline at end of file
+[<< Day 14](../14_Day_Higher_order_functions/14_higher_order_functions.md) | [Day 16 >>](../16_Day_Python_date_time/16_python_datetime.md)

From f467adc76996d6570e37afb21433af90f8fe7538 Mon Sep 17 00:00:00 2001
From: kunal saini <52192993+kunal254@users.noreply.github.com>
Date: Sun, 20 Feb 2022 19:10:59 +0530
Subject: [PATCH 4/4] Update 19_file_handling.md

---
 19_Day_File_handling/19_file_handling.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/19_Day_File_handling/19_file_handling.md b/19_Day_File_handling/19_file_handling.md
index de51b9b..de12a0e 100644
--- a/19_Day_File_handling/19_file_handling.md
+++ b/19_Day_File_handling/19_file_handling.md
@@ -166,7 +166,7 @@ with open('./files/reading_file_example.txt') as f:
 
 To write to an existing file, we must add a mode as parameter to the _open()_ function:
 
-- "a" - append - will append to the end of the file, if the file does not it creates a new file.
+- "a" - append - will append to the end of the file, if the file does not exist it creates a new file.
 - "w" - write - will overwrite any existing content, if the file does not exist it creates.
 
 Let us append some text to the file we have been reading: