Author: admin
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📘 Lesson 11: File Handling in Python
Below is a FULL beginner-friendly Lesson 11, explaining File Handling in Python with clear explanations, examples, and outputs.File handling is important because programs often store and read data from files. 📘 Lesson 11: File Handling in Python 🔹 1. What is File Handling? File handling allows Python programs to: ✔ Read data from files✔ Write…
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📘 Lesson 10: Dictionaries in Python
Python 🔹 1. What is a Dictionary? A dictionary is a collection of key–value pairs. Example structure: key : value Example: name : Sameerage : 25city : Hyderabad In Python dictionaries are written using curly brackets {}. ✔ Stores data as key : value✔ Ordered (Python 3.7+)✔ Changeable (mutable)✔ No duplicate keys 🔹 2. Creating…
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📘 Lesson 9: Lists, Tuples, and Sets in Python
🔹 1. Lists in Python What is a List? A list is a collection of multiple values stored in square brackets [ ]. ✔ Ordered✔ Changeable (mutable)✔ Allows duplicate values Example 1: Creating a List students = [“Sameer”, “Ayesha”, “Saddam”, “Chandini”]print(students) Output [‘Sameer’, ‘Ayesha’, ‘Saddam’, ‘Chandini’] 📌 Explanation Example 2: Accessing List Elements students =…
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📘 Lesson 8: Strings and String Methods in Python
🔹 1. What is a String? A string is a sequence of characters enclosed in quotes. Python allows: Example 1: Creating Strings name = “Sameer”city = ‘Hyderabad’message = “””Welcome to Python”””print(name)print(city)print(message) Output SameerHyderabadWelcome to Python 📌 ExplanationStrings store text information such as names, addresses, messages, etc. 🔹 2. Accessing Characters (Indexing) Each character in a…
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📘 Lesson 7: Functions in Python examples
🔹 1. What is a Function? A function is a block of reusable code that performs a specific task. 👉 Instead of writing the same code again and again, we define it once and reuse it. 🔹 2. Why Use Functions? ✔ Avoid repetition✔ Make code reusable✔ Improve readability✔ Easy debugging 🔹 3. Defining a…
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📘 Lesson 6 examples: Loops in Python
🔹 1. What is a Loop? A loop is used to repeat a block of code multiple times. 👉 Without loops → code becomes long👉 With loops → code becomes short & clean Python has mainly two loops: 🔹 2. for Loop A for loop is used when number of repetitions is known. Example 1:…
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📘 Lesson 5 examples: Conditional Statements
🔹 1. What are Conditional Statements? Conditional statements allow a program to make decisions. 👉 Python checks a condition👉 If it is True, one block runs👉 If it is False, another block runs Python uses: 🔹 2. Basic if Statement Example 1: Simple Condition Output 📌 Explanation 🔹 3. if Condition Fails Output 📌 Explanation…
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📘 Lesson 4 examples: Input, Output, and Type Casting
🔹 1. Output in Python (print()) The print() function is used to display output on the screen. Example 1: Simple Output Output 📌 Explanation Example 2: Printing Multiple Values Output 📌 Explanation Example 3: Output with Text Output 🔹 2. Input in Python (input()) The input() function is used to take input from the user.…
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📘 Lesson 3 examples: Operators and Expressions
1️⃣ Arithmetic Operators Example 1: Basic Calculations Output Explanation Example 2: Salary Calculation Output 2️⃣ Assignment Operators Example Output Explanation 3️⃣ Comparison (Relational) Operators Example Output Explanation Example with Names Output 4️⃣ Logical Operators Example Output Explanation 5️⃣ Identity Operators (is, is not) Example Output ExplanationChecks if both variables refer to the same object 6️⃣…
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📘 Lesson 2 examples: Python Syntax and Variables examples
1️⃣ Creating Variables Output 2️⃣ Variables with Different Data Types Output 3️⃣ Python Is Case-Sensitive Output 4️⃣ Assigning Multiple Variables at Once Output 5️⃣ Variable Reassignment Output 6️⃣ Using Variables in Sentences Output 7️⃣ Simple Calculation Using Variables Output 8️⃣ Checking Variable Data Types Output 9️⃣ Taking Input and Storing in Variables Sample Output 🔟…