Import statement behavior in Python - Mini Project: Build & Apply

Import Statement Behavior

📖 Scenario: You are organizing a small Python project with two files. One file contains a function, and the other file will use that function by importing it.

🎯 Goal: Learn how to use the import statement to access functions from another file.

📋 What You'll Learn

Create a Python file named helper.py with a function called greet that returns the string 'Hello from helper!'.

Create a Python file named main.py that imports the greet function from helper.py.

Call the greet function inside main.py and store the result in a variable called message.

Print the message variable in main.py.

💡 Why This Matters

🌍 Real World

In real projects, code is often split into multiple files to keep things organized. Importing lets you use code from other files easily.

💼 Career

Understanding imports is essential for working on larger Python projects and collaborating with others.

1

Create the helper function

Create a file named helper.py and write a function called greet that returns the string 'Hello from helper!'. Write exactly this function definition:

Python

# Define the greet function in helper.py
# Your code here

Need a hint?

Remember to use def to define a function and return to send back the string.

2

Import the greet function

In a new file named main.py, write an import statement to import the greet function from the helper module.

Python

# Import greet from helper.py
# Your code here

Need a hint?

Use the syntax from module_name import function_name.

3

Call the greet function

In main.py, call the greet function and store its return value in a variable called message.

Python

from helper import greet

# Call greet and save the result in message
# Your code here

Need a hint?

Call the function by writing greet() and assign it to message.

4

Print the message

In main.py, print the variable message to display the greeting.

Python

from helper import greet

message = greet()

# Print the message
# Your code here

Need a hint?

Use print(message) to show the greeting on the screen.