If–else execution flow in Python - Mini Project: Build & Apply

If-else Execution Flow

📖 Scenario: You are building a simple program to check if a person is old enough to vote. Voting age is 18 years or older.

🎯 Goal: Create a program that uses if-else statements to decide if a person can vote based on their age.

📋 What You'll Learn

Create a variable called age with the exact value 20

Create a variable called voting_age and set it to 18

Use an if-else statement to check if age is greater than or equal to voting_age

Print You can vote! if the person is old enough

Print You cannot vote yet. if the person is too young

💡 Why This Matters

🌍 Real World

Programs often need to make decisions based on conditions, like checking age for voting or permissions.

💼 Career

Understanding if-else statements is fundamental for any programming job because it controls the flow of decisions.

1

Create the age variable

Create a variable called age and set it to the number 20.

Python

# Create a variable called age and set it to 20
# Your code here

Need a hint?

Use = to assign the value 20 to the variable age.

2

Set the voting age

Create a variable called voting_age and set it to 18.

Python

age = 20
# Create a variable called voting_age and set it to 18
# Your code here

Need a hint?

Voting age is usually 18. Assign this number to voting_age.

3

Write the if-else statement

Use an if-else statement to check if age is greater than or equal to voting_age. Use the exact variables age and voting_age in your condition.

Python

age = 20
voting_age = 18
# Write an if-else statement to check if age >= voting_age
# Your code here

Need a hint?

Use if age >= voting_age: to start the condition. Then add else: for the other case.

4

Display the result

Run the program and print the output. The program should print You can vote! because age is 20.

Python

age = 20
voting_age = 18
if age >= voting_age:
    print("You can vote!")
else:
    print("You cannot vote yet.")
# Run the program to see the output

Need a hint?

Just run the program. It will print the correct message based on the age.