Tuturials

Python Booleans

1. What is a Boolean?

A Boolean means True or False.

In Python, Boolean has only two values:

  • True

  • False

Booleans are used to make decisions in programs.

2. Creating Boolean Variables

You can store True or False in a variable.

Example

is_raining = True
is_sunny = False

print(is_raining)
print(is_sunny)

3. Boolean from Comparisons

When you compare two values, Python returns True or False.

Example

a = 10
b = 5

print(a > b) # True
print(a < b) # False
print(a == b) # False

4. Boolean in if Statement

Booleans are mostly used in if–else.

Example

age = 18

if age >= 18:
print("You are an adult")
else:
print("You are a child")

5. Boolean from User Input

Example

password = "python123"

user_input = input("Enter password: ")

print(user_input == password)

Output will be True or False.

6. Boolean with Logical Operators

Python has three logical operators:

  • and

  • or

  • not

AND

age = 20
has_id = True

print(age >= 18 and has_id)

OR

is_weekend = False
is_holiday = True

print(is_weekend or is_holiday)

NOT

is_logged_in = False
print(not is_logged_in)

7. Using bool() Function

The bool() function converts values into True or False.

Examples

print(bool(1)) # True
print(bool(0)) # False
print(bool("Hi")) # True
print(bool("")) # False

8. Common Beginner Mistakes

❌ Using Wrong Case

true
false

✔ Correct:

True
False

❌ Using = Instead of ==

if x = 5:

✔ Correct:

if x == 5:

9. Simple Practice Examples

Example 1: Check Even or Odd

num = 8

print(num % 2 == 0)

Example 2: Login Check

username = "admin"
password = "1234"

user = input("Username: ")
pwd = input("Password: ")

if user == username and pwd == password:
print("Login successful")
else:
print("Login failed")

Example 3: Age Check

age = int(input("Enter age: "))

print(age >= 18)

10. Summary (Python Booleans)

✔ Boolean means True or False
✔ Used in comparisons
✔ Used in if–else
✔ Logical operators control decisions
✔ bool() converts values

📘 Perfect for Beginner eBook

This chapter is ideal for:

  • Python beginner books

  • School & college students

  • Self-learners

If you want next, I can write:

  • Python Operators

  • if–else statements (easy)

  • Boolean Exercises

  • Loops (for, while)

  • MCQs with answers

Just tell me 😊

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