beginnerControl Flow

If / Elif / Else

Conditional statements to control program flow.

In this lesson

01Basic If Statement

Execute code only when a condition is True.

Python
1temperature = 35
2

3if temperature > 30:
4    print("It's hot outside!")
Output
It's hot outside!

02If / Else

Choose between two paths.

Python
1age = 16
2

3if age >= 18:
4    print("You can vote!")
5else:
6    print("Too young to vote.")
Output
Too young to vote.

03If / Elif / Else

Handle multiple conditions.

Python
1score = 85
2

3if score >= 90:
4    grade = "A"
5elif score >= 80:
6    grade = "B"
7elif score >= 70:
8    grade = "C"
9elif score >= 60:
10    grade = "D"
11else:
12    grade = "F"
13

14print(f"Your grade is {grade}")
Output
Your grade is B

04Ternary Operator

A concise one-line conditional expression.

Python
1age = 20
2status = "adult" if age >= 18 else "minor"
3print(status)
Output
adult
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Strings In Depth
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Loops (For & While)