Update README.md

Author: balajimanilal

README.md

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 # Python-Turtle-Graphics-Challenges
 This repository contains a series of Python challenges using the Turtle graphics library. The challenges include drawing shapes, creating dashed lines, simulating random walks, and making colorful spirographs.
+
+# Challenges Overview
+1. Square Drawing: Draw a square using direct commands and loops.
+2. Dashed Line: Create a dashed line pattern using penup and pendown methods.
+3. Shape Drawing: Draw shapes with varying sides (triangle to decagon) using a function.
+4. Random Walk: Implement a random walk pattern with a list of predefined colors.
+5. Random Colors: Generate random RGB colors for drawing.
+6. Spirograph: Create an intricate spirograph using a circle drawing technique with random colors.
+
+# Features
+- Draw various geometric shapes (squares, polygons)
+- Create dashed lines
+- Simulate random walks with a list of colors
+- Generate random colors using RGB values
+- Create intricate spirograph designs
+
+# Usage
+- The script will execute a series of Turtle graphics challenges sequentially, demonstrating various drawing techniques.
+- You can modify parameters (like the number of sides for shapes, colors, and speed) in the code to experiment with different outputs.
+
+# Technologies
+Python 3.x | Turtle graphics library | Random library for generating random colors and movements