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‎Week 1/Day 1/notes and codes.md‎

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|4-2|Numeric Data Type|[Click Here](#4-2-numeric-data-type)|
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|4-3|Boolean & None Data Type|[Click Here](#4-3-boolean-and-none-data-type)|
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|4-4|Collection Data Type|[Click Here](#4-4-collection-data-type)|
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|5|Summary|[Click Here](#summary)|
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## Intro to Python
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```
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**[🔝Index](#index)**
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## Summary
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Today, we began our journey with Python by exploring the fundamental concepts every beginner should know:
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- **Introduction to Python**
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Python is a beginner-friendly, high-level programming language known for its clean syntax and readability. It's widely used in fields like data science, automation, and web development.
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- **Defining Variables**
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Variables are used to store data. Python uses the `=` operator for assignment and infers data types automatically (dynamic typing).
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- **Variable Naming Rules**
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Variable names must start with a letter or underscore, cannot include spaces or special characters, and are case-sensitive. Keywords like `if` or `class` cannot be used as variable names.
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- **Data Types Overview**
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Python supports several built-in data types:
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- **String (`str`)**: Text data
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- **Numeric Types**: Integers, floats, and complex numbers
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- **Boolean (`bool`)**: True/False values
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- **NoneType (`None`)**: Represents no value
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- **Collections**: Lists, tuples, sets, and dictionaries (covered partially today)
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This foundation will help you write clean, readable, and effective Python code in upcoming lessons.
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**[🔝Index](#index)**

‎Week 1/Day 2/assignment.md‎

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# Python for Beginners — Day 2 Assignment
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**Prepared by:** [Shubham](https://github.com/Shubham-S151)
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🎥 *From the [Bit and Pi](https://www.youtube.com/@BitandPi) YouTube Channel*
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---
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## Topics Covered Today
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- What is a String in Python?
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- Creating Strings
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- Basic String Operations
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- Indexing and Slicing
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- String Methods
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- String Formatting
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- Escape Characters and Raw Strings
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---
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## Assignment Instructions
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- Complete the questions below in a Python file or a Jupyter notebook.
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- Submit your work as `.py`, `.ipynb`, or `.pdf` format.
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- Try to write comments in your code to explain your logic.
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---
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## Part A — Theory Questions
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Answer the following in brief (1–2 lines each):
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1. What is a string in Python? How is it different from a character in C?
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2. Are strings mutable in Python? Explain with an example.
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3. What is the difference between `.find()` and `.index()` methods?
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4. What are raw strings? Give an example.
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5. What are f-strings and why are they useful?
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---
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## Part B — Coding Exercises
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### 1. **String Creation**
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- Create 3 different strings using:
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- Single quotes
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- Double quotes
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- Triple quotes (multiline)
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### 2. **Concatenation and Repetition**
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- Concatenate two strings: `"Hello"` and `"World"`
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- Repeat the string `"ha"` 4 times
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### 3. **String Indexing and Slicing**
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Given `s = "Python Programming"`:
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- Print the first character
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- Print the last character
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- Slice `"Python"` from the string
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- Print the string in reverse
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- Print every second character
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### 4. **Using String Methods**
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Given `text = " Learn Python Programming "`:
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- Convert the text to lowercase
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- Remove extra spaces from both sides
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- Replace `"Python"` with `"C++"`
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- Count how many times `"a"` appears
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### 5. **Splitting and Joining**
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Given: `sentence = "Python is easy to learn"`
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- Split the sentence into a list of words
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- Join the list back into a single string using `-` as a separator
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### 6. **String Formatting**
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- Use all 3 string formatting methods (`f-string`, `.format()`, and `%`) to print:
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`"Hello, my name is Alex and I am 30 years old."`
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### 7. **Escape Characters**
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- Print:
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```bash
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Name: Alice
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Age: 25
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Location: New York\tUSA
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```
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### To Acess the solution visit : [Click_here](https://gist.github.com/Bit-and-Pi/3a86f0a405fa583644403dcbf06a7591)

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