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AWS Data Engineer 30 Days Plan (Python) / of Python Data Types

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🐍 Python Data Types and Operators – Very Simple Explanation for Beginners

✅ What is a Data Type?

A data type means the kind of value you're storing in your program. Just like we use different boxes for sugar, salt, and rice 🍚 — Python uses different types to store different data.

🤔 Real-Life Example 🧠 Python Data Type
Age = 25 int
Price = 19.99 float
Name = "Sairam" str
Is student = Yes/No bool
List of fruits list
User details dict

🧠 Python Data Types – With Simple Examples

🔢 Type 💬 Meaning 🧪 Example ✅ Where You Use
int Whole number age = 30 Age, count, salary
float Decimal number price = 99.99 Weight, marks, price
str Text name = "Sairam" Names, messages
bool True/False is_active = True Login, status check
list Group of items fruits = ["apple", "banana"] Cart, items
tuple Fixed group location = (17.3, 78.4) Coordinates, dates
dict Key + Value {"name": "Sairam", "age": 25} User data, API
set Unique items set([1, 2, 3]) Tags, IDs
None Empty value value = None Not assigned yet
“Data Types are containers. Operators are tools to use them.”

⚙️ Python Operators – With Examples

Operators are symbols that perform actions on variables or values. Just like + adds numbers in school, it adds numbers in Python too!

🔧 Type ⚒️ Symbols 💬 Use 🧪 Example
Arithmetic + - * / % ** // Math operations 5 + 2 = 7
Assignment = += -= Store or update value x = 10
x += 2
Comparison == != > < Check values 5 > 2 = True
Logical and or not Combine conditions True and False = False
Membership in Check presence "milk" in cart
Identity is Same object? a is b
Bitwise & | ^ Binary logic 5 & 3 = 1

🧑‍🏫 Real-Life Example

cart = ["biryani", "coke"]
price = 150.0
quantity = 2
total = price * quantity

if "coke" in cart:
    print("Free Pepsi!")

🧱 How Data Types and Operators Work Together

product = "Laptop"
price = 49999.0
discount = 5000
final_price = price - discount
print("Final Price:", final_price)

🔑 Summary for Zero-Knowledge Learners

Topic Meaning Example
Data Types Kind of value int, str, list
Operators Actions on values +, in, ==
Use Write logic if price > 500
“Data Types hold the data. Operators work on that data.”
🎯 Like storing ingredients in jars and using tools to cook 🍳