From 9b07497281cfc29b17c69249f939bcab918ede28 Mon Sep 17 00:00:00 2001
From: LeonardoGaldino <lcgm@cin.ufpe.br>
Date: Wed, 30 May 2018 11:58:40 -0300
Subject: [PATCH 01/10] Fix bug on zip snippet

---
 snippets/zip.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snippets/zip.md b/snippets/zip.md
index 2260bc926..bcb5567cd 100644
--- a/snippets/zip.md
+++ b/snippets/zip.md
@@ -12,7 +12,7 @@ def zip(*args, fillvalue=None):
     result = []
     for i in range(max_length):
         result.append([
-            args[k][i] if i < len(args[k]) else None for k in range(len(args))
+            args[k][i] if i < len(args[k]) else fillvalue for k in range(len(args))
         ])
     return result
 ```

From 72dc5c3d55854abcb029c1f8bd6e51685601f6e1 Mon Sep 17 00:00:00 2001
From: LeonardoGaldino <lcgm@cin.ufpe.br>
Date: Wed, 30 May 2018 16:23:42 -0300
Subject: [PATCH 02/10] Adds my reference to contributor database file

---
 contributor_database | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contributor_database b/contributor_database
index 66bbf0288..1bfea8af6 100644
--- a/contributor_database
+++ b/contributor_database
@@ -12,7 +12,7 @@ max_n:[Rohit Tanwar](@kriadmin)
 min_n:[Rohit Tanwar](@kriadmin)
 shuffle:[Rohit Tanwar](@kriadmin)
 spread:[Rohit Tanwar](@kriadmin)
-zip:[Rohit Tanwar](@kriadmin)
+zip:[Rohit Tanwar](@kriadmin),[Leonardo Galdino](@LeonardoGaldino)
 byte_size:[Rohit Tanwar](@kriadmin)
 capitalize:[Rohit Tanwar](@kriadmin)
 capitalize_every_word:[Rohit Tanwar](@kriadmin)

From b038f6729d5fcf3d9d6c21dc6fe8907287898708 Mon Sep 17 00:00:00 2001
From: Siddhant Agrawal <sidagrawal@users.noreply.github.com>
Date: Sun, 7 Oct 2018 11:38:21 -0700
Subject: [PATCH 03/10] Update byte_size.md

The original description was slightly misleading by saying that utf-8 will encode and find the length, whereas in reality the length was produced by len.
---
 snippets/byte_size.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/snippets/byte_size.md b/snippets/byte_size.md
index faa8ba5fd..7f34b08df 100644
--- a/snippets/byte_size.md
+++ b/snippets/byte_size.md
@@ -2,7 +2,7 @@
 
 Returns the length of a string in bytes.
 
-`utf-8` encodes a given string and find its length.
+`utf-8` encodes a given string, then `len` finds the length of the encoded string.
 
 ```python
 def byte_size(string):
@@ -12,4 +12,4 @@ def byte_size(string):
 ```python
 byte_size('😀') # 4
 byte_size('Hello World') # 11
-```
\ No newline at end of file
+```

From 35dde71727d77f0c33f4b2bb7a445e1fcaa8c2b3 Mon Sep 17 00:00:00 2001
From: Arjun Mahishi <arjun.mahishi@gmail.com>
Date: Tue, 9 Oct 2018 21:30:37 +0530
Subject: [PATCH 04/10] Fixed typo in

---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 565f60ef4..df049882b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -39,7 +39,7 @@ Here's what you can do to help:
 - You can start creating a new snippet, by using the [snippet template](snippet_template.md) to format your snippets.
 - Updating the README.md file should only be done by altering the scripts in the **scripts** folder or altering their relative static parts in the **static-parts** folder.
 - You may tag your snippet in tag_databse although it is _not_ necessary.
-- You may add your name as `[Name][@github_username]` to the contributor database. If the snippet already exists and you are making changes to it you can add your name at the laste seperated by a comma.
+- You may add your name as `[Name][@github_username]` to the contributor database. If the snippet already exists and you are making changes to it you can add your name at the last seperated by a comma.
 <!--
 ### Additional guidelines and conventions regarding snippets
 

From 4f6aa69f2667fb13e461d361248dd3b18ccbbb29 Mon Sep 17 00:00:00 2001
From: Sreejith S <32271222+sreejithsankar55@users.noreply.github.com>
Date: Thu, 18 Oct 2018 15:43:05 +0530
Subject: [PATCH 05/10] Fixed a grammatical error.

Changed  'an list' to 'a list' in 5th line.
---
 snippets/count_occurences.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snippets/count_occurences.md b/snippets/count_occurences.md
index d6355d4df..7a3c930e7 100644
--- a/snippets/count_occurences.md
+++ b/snippets/count_occurences.md
@@ -2,7 +2,7 @@
 
 :information_source: Already implemented via `list.count()`.
 
-Counts the occurrences of a value in an list.
+Counts the occurrences of a value in a list.
 
 Uses the list comprehension to increment a counter each time you encounter the specific value inside the list.
 

From 5754af805fe15b83c779e801a5bf2ff0332278dd Mon Sep 17 00:00:00 2001
From: mattveraldi <mattveraldi@gmail.com>
Date: Tue, 23 Oct 2018 12:46:20 +0200
Subject: [PATCH 06/10] Solved issue #53

---
 snippets/keys_only.md | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/snippets/keys_only.md b/snippets/keys_only.md
index f53a32107..7a566a1fd 100644
--- a/snippets/keys_only.md
+++ b/snippets/keys_only.md
@@ -2,14 +2,11 @@
 
 Function which accepts a dictionary of key value pairs and returns a new flat list of only the keys.
 
-Uses the .items() function with a for loop on the dictionary to track both the key and value and returns a new list by appending the keys to it. Best used on 1 level-deep key:value pair dictionaries (a flat dictionary) and not nested data-structures which are also commonly used with dictionaries. (a flat dictionary resembles a json and a flat list an array for javascript people).
+Uses the .keys() method of "dict" objects. dict.keys() returns a view object that displays a list of all the keys. Then, list(dict.keys()) returns a list that stores all the keys of a dict.
 
 ``` python
 def keys_only(flat_dict):
-    lst = []
-    for k, v in flat_dict.items():
-        lst.append(k)
-    return lst
+    return list(flat_dict.keys())
 ```
 
 ``` python

From 74251fe1a59d39bff648f07a84052fb98b2cf523 Mon Sep 17 00:00:00 2001
From: mattveraldi <mattveraldi@gmail.com>
Date: Tue, 23 Oct 2018 12:53:46 +0200
Subject: [PATCH 07/10] Solved issue #53

---
 contributor_database | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contributor_database b/contributor_database
index 66bbf0288..fb69263e0 100644
--- a/contributor_database
+++ b/contributor_database
@@ -25,6 +25,6 @@ insertion_sort:[Meet Zaveri](@meetzaveri),[Rohit Tanwar](@kriadmin)
 difference_by:[Rohit Tanwar](@kriadmin)
 bubble_sort: [Shobhit Sachan](@sachans)
 has_duplicates: [Rob-Rychs](@Rob-Rychs)
-keys_only: [Rob-Rychs](@Rob-Rychs)
+keys_only: [Rob-Rychs](@Rob-Rychs),[Matteo Veraldi](@mattveraldi)
 values_only: [Rob-Rychs](@Rob-Rychs)
 all_unique: [Rob-Rychs](@Rob-Rychs)
\ No newline at end of file

From 1f4aeb531d250afa2521834f2598a4a1ee6b1a6b Mon Sep 17 00:00:00 2001
From: mattveraldi <mattveraldi@gmail.com>
Date: Tue, 23 Oct 2018 13:04:27 +0200
Subject: [PATCH 08/10] Solved issue #53

---
 test/keys_only/keys_only.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/test/keys_only/keys_only.py b/test/keys_only/keys_only.py
index 43d879917..ab1f21176 100644
--- a/test/keys_only/keys_only.py
+++ b/test/keys_only/keys_only.py
@@ -1,5 +1,2 @@
 def keys_only(flat_dict):
-    lst = []
-    for k, v in flat_dict.items():
-        lst.append(k)
-    return lst
\ No newline at end of file
+    return list(flat_dict.keys())
\ No newline at end of file

From d94bc9bf52701018aabc5dcd89809797f9179847 Mon Sep 17 00:00:00 2001
From: OmarTahoun <omaraiz489@gmail.com>
Date: Thu, 28 Mar 2019 19:45:52 +0800
Subject: [PATCH 09/10] typo fix Closes #71

---
 snippets/is_upper_case.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/snippets/is_upper_case.md b/snippets/is_upper_case.md
index 5aa2a8287..6169cd424 100644
--- a/snippets/is_upper_case.md
+++ b/snippets/is_upper_case.md
@@ -11,6 +11,6 @@ def is_upper_case(string):
 
 ```python
 is_upper_case('ABC') # True
-is_upper_case('a3@$') # True
+is_upper_case('a3@$') # False
 is_upper_case('aB4') # False
-```
\ No newline at end of file
+```

From 63c84b7daaabf32a0d0c081d7cfd7b86dc791bf0 Mon Sep 17 00:00:00 2001
From: Sarvasv Arora <50026351+SarvasvX@users.noreply.github.com>
Date: Tue, 9 Jul 2019 21:35:57 +0530
Subject: [PATCH 10/10] Fixed error in code

len() was used twice, which produced error. Fixed that.
Also included print() statements, so that the function call actually prints the no. of vovels.
---
 snippets/count_vowels.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/snippets/count_vowels.md b/snippets/count_vowels.md
index 256009312..2330f726c 100644
--- a/snippets/count_vowels.md
+++ b/snippets/count_vowels.md
@@ -8,11 +8,11 @@ Use a regular expression to count the number of vowels `(A, E, I, O, U)` in a st
 import re
 
 
-def count_vowels(str):
-    return len(len(re.findall(r'[aeiou]', str, re.IGNORECASE)))
-```
+def count_vowels (str):
+    return len (re.findall (r '[aeiou]', str, re.IGNORECASE))
+`` `
 
-``` python
-count_vowels('foobar') # 3
-count_vowels('gym') # 0
+`` `python
+print(count_vowels('foobar')) # 3
+print(count_vowels('gym'))# 0
 ```