🌱 Junior Track 03 of 08

3. Operators & Expressions

Master essential Python operators: `Arithmetic (+, -, *, /, //, %, **)`, `Comparison (==, !=, >, <)`, `Logical (and, or, not)`, `Identity (is vs ==)`, and `Membership (in / not in)`.

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1️⃣ Fundamentals 2️⃣ Data Types 3️⃣ Operators 4️⃣ Conditionals 5️⃣ Loops 6️⃣ Collections 7️⃣ Comprehensions 8️⃣ Functions 9️⃣ *args & **kwargs 🔟 Scope & Namespaces 1️⃣1️⃣ OOP 1️⃣2️⃣ Exceptions 1️⃣3️⃣ File Handling 1️⃣4️⃣ Modules & Packages 1️⃣5️⃣ Virtual Environments 1️⃣6️⃣ Standard Library 1️⃣7️⃣ Iterators & Iterables 1️⃣8️⃣ Generators 1️⃣9️⃣ Decorators 2️⃣0️⃣ Context Managers 2️⃣1️⃣ Lambda Functions 2️⃣2️⃣ Functional Programming 2️⃣3️⃣ Type Hints 2️⃣4️⃣ Dataclasses 2️⃣5️⃣ Testing 2️⃣6️⃣ Debugging 2️⃣7️⃣ Logging 2️⃣8️⃣ JSON & Data 2️⃣9️⃣ Regular Expressions 3️⃣0️⃣ Databases

# JUNIOR PYTHON TRACK 03 — OPERATORS

# 1. Arithmetic & Floor Division
a, b = 17, 5
quotient: int = a // b  # Floor division = 3
remainder: int = a % b   # Modulo = 2
power: int = b ** 3      # Exponentiation = 125

# 2. Identity ('is') vs Equality ('==')
list1 = [1, 2, 3]
list2 = [1, 2, 3]
is_equal = list1 == list2  # True (Same values)
is_same = list1 is list2   # False (Different memory addresses)

# 3. Logical Short-Circuiting
is_authorized = True or (10 / 0 > 1) # Evaluates True without ZeroDivisionError

print(f"Floor Div: {quotient}, Mod: {remainder}, Power: {power}")

$ python3 junior_operators.py
Floor Div: 3, Mod: 2, Power: 125
Execution completed successfully.

import unittest

class TestJuniorOperators(unittest.TestCase):
    def test_operators(self):
        self.assertEqual(17 // 5, 3)
        self.assertEqual(17 % 5, 2)

if __name__ == "__main__":
    unittest.main()

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3. Operators & Expressions

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⚡ Operator Rules

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