Update README.md

Author: ricsin23

Codes on Turtle Graphics/README.md

@@ -3,18 +3,18 @@
 _turtle_ is a pre installed library in Python that enables us to create pictures and shapes by providing them with a virtual canvas. The onscreen pen that we use to draw
 is called turtle.
 
-### Requirements
-#### 1. Python Environment:
+## Requirements
+### 1. Python Environment:
 Use applications like Python IDLE or Jupyter Notebook.
-#### 2. Python Version:
+### 2. Python Version:
 Ensure you have version 3 of Python.
 
 With the turtle library of Python, we can draw several shapes and figures. Here's two samples we can create with turtles's library.
 
-### 1. Animated Robot
+## 1. Animated Robot
 This is a simple figure we can create to understand basics of turtle graphics.  
-<img src="Robot.png" width="350" height="250">
+<img src="Robot.png" width="350" height="250" />
 
-### 2. Kaleido Spiral
+## 2. Kaleido Spiral
 In this, we will draw circles and squares in continuation. Everytime we will change the radius of circle and side dimension of square to make it look like a expanding squares and circles.  
-<img src="Kaleido-spiral.png" width="350" height="250">
+<img src="Kaleido-spiral.png" width="350" height="250" />