diff --git a/20_Day_Python_package_manager/20_python_package_manager.md b/20_Day_Python_package_manager/20_python_package_manager.md
index 7b583647c..46c98b3b2 100644
--- a/20_Day_Python_package_manager/20_python_package_manager.md
+++ b/20_Day_Python_package_manager/20_python_package_manager.md
@@ -259,11 +259,11 @@ print(response.text) # gives all the text from the page
 {'date': 'Sun, 08 Dec 2019 18:00:31 GMT', 'last-modified': 'Fri, 07 Nov 2003 05:51:11 GMT', 'etag': '"17e9-3cb82080711c0;50c0b26855880-gzip"', 'accept-ranges': 'bytes', 'cache-control': 'max-age=31536000', 'expires': 'Mon, 07 Dec 2020 18:00:31 GMT', 'vary': 'Accept-Encoding', 'content-encoding': 'gzip', 'access-control-allow-origin': '*', 'content-length': '1616', 'content-type': 'text/plain', 'strict-transport-security': 'max-age=15552000; includeSubdomains; preload', 'content-security-policy': 'upgrade-insecure-requests'}
 ```
 
-- Let us read from an API. API stands for Application Program Interface. It is a means to exchange structure data between servers primarily a json data. An example of an API:https://restcountries.eu/rest/v2/all. Let us read this API using _requests_ module.
+- Let us read from an API. API stands for Application Program Interface. It is a means to exchange structure data between servers primarily a json data. An example of an API:https://restcountries.com/v3.1/all?fields=name,capital,currencies. Let us read this API using _requests_ module.
 
 ```py
 import requests
-url = 'https://restcountries.eu/rest/v2/all'  # countries api
+url = 'https://restcountries.com/v3.1/all?fields=name,capital,currencies'  # countries api
 response = requests.get(url)  # opening a network and fetching a data
 print(response) # response object
 print(response.status_code)  # status code, success:200
@@ -443,12 +443,12 @@ The **__init__**.py exposes specified resources from its modules to be imported
 
 ## Exercises: Day 20
 
-1. Read this url and find the 10 most frequent words. romeo_and_juliet = 'http://www.gutenberg.org/files/1112/1112.txt'
+1. Read this url and find the 10 most frequent words. romeo_and_juliet = 'https://www.gutenberg.org/cache/epub/1513/pg1513.txt'
 2. Read the cats API and cats_api = 'https://api.thecatapi.com/v1/breeds' and find :
    1. the min, max, mean, median, standard deviation of cats' weight in metric units.
    2. the min, max, mean, median, standard deviation of cats' lifespan in years.
    3. Create a frequency table of country and breed of cats
-3. Read the [countries API](https://restcountries.eu/rest/v2/all) and find
+3. Read the [countries API](https://restcountries.com/v3.1/all?fields=name,capital,currencies) and find
    1. the 10 largest countries
    2. the 10 most spoken languages
    3. the total number of languages in the countries API
diff --git a/28_Day_API/28_API.md b/28_Day_API/28_API.md
index 18532bc5a..eccd9fdda 100644
--- a/28_Day_API/28_API.md
+++ b/28_Day_API/28_API.md
@@ -51,7 +51,7 @@ Using API, content that is created in one place dynamically can be posted and up
 
 For example, Twitter's REST API allows developers to access core Twitter data and the Search API provides methods for developers to interact with Twitter Search and trends data.
 
-Many applications provide API end points. Some  examples of API such as the countries [API](https://restcountries.eu/rest/v2/all), [cat's breed API](https://api.thecatapi.com/v1/breeds).
+Many applications provide API end points. Some  examples of API such as the countries [API](https://restcountries.com/v3.1/all?fields=name,capital,currencies), [cat's breed API](https://api.thecatapi.com/v1/breeds).
 
 In this section, we will cover a RESTful API that uses HTTP request methods to GET, PUT, POST and DELETE data.
 
diff --git a/my_notes/day01_notes.md b/my_notes/day01_notes.md
new file mode 100644
index 000000000..becf25bfc
--- /dev/null
+++ b/my_notes/day01_notes.md
@@ -0,0 +1,28 @@
+\# Day 1 - Python Basics
+
+
+
+\## Topics Learned
+
+\- Variables
+
+\- Data Types
+
+\- Strings
+
+
+
+\## Practice
+
+
+
+x = 10
+
+name = "Girish"
+
+
+
+print(x)
+
+print(name)
+
diff --git a/readme.md b/readme.md
index 5fdb51a27..5f90657ba 100644
--- a/readme.md
+++ b/readme.md
@@ -523,3 +523,7 @@ To run the python file check the image below. You can run the python file either
 🎉 CONGRATULATIONS ! 🎉
 
 [Day 2 >>](./02_Day_Variables_builtin_functions/02_variables_builtin_functions.md)
+
+## Additional Resources
+
+- Python Official Documentation: https://docs.python.org/3/
\ No newline at end of file