If/Else Statements

Basic If Statement

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

If-Else

age = 16
if age >= 18:
    print("You can vote")
else:
    print("You are too young to vote")

Elif (Else If)

score = 85
if score >= 90:
    grade = "A"
elif score >= 80:
    grade = "B"
elif score >= 70:
    grade = "C"
elif score >= 60:
    grade = "D"
else:
    grade = "F"
print(f"Your grade is {grade}")  # B

Nested Conditions

age = 25
has_license = True
if age >= 18:
    if has_license:
        print("You can drive!")
    else:
        print("You need to get a license")
else:
    print("You are too young to drive")

Logical Operators in Conditions

temperature = 25
is_sunny = True
if temperature > 20 and is_sunny:
    print("Perfect day for the beach!")

Ternary Operator

age = 20
status = "adult" if age >= 18 else "minor"
print(status)  # adult

Summary

• If: execute code if condition is True
• Else: execute code if condition is False
• Elif: multiple conditions
• Use logical operators (and, or, not) to combine conditions

Next Lesson

In the next lesson, you'll learn about loops (for and while).