Beginner · 24 lessons · free · ages 9+
Learn Python for beginners.
Python is one of the friendliest languages to start with. Each lesson explains one idea in a minute, then gives you one small task: write the code, press Run, and get a tick when it is right.
24 lessons
What you will do
1. Hello, Python
Your first program
Make the program print exactly: Hello, world!
Start →2More than one line
Print three lines: Ready, Steady, Go!
Start →3Variables: names for values
Make a variable called score that holds 25, then print score.
Start →4Numbers and maths
A rectangle is 8 wide and 5 high. Print its area (width times height) using the two variables.
Start →2. Working with text
Putting values into text
Print Asha is 11 years old. using an f-string with the variables name and age.
Start →6Things text can do
Print the word in capital letters, then print how many letters it has.
Start →7Pieces of text
Print the first letter of the word, then the word backwards.
Start →8Joining and repeating text
Print the text Level 5 by joining "Level " and the number level, and then print a line of 10 dashes using *.
Start →3. Making decisions
Asking a question with if
If temperature is above 30 print Hot day.
Start →10if and else
If score is 40 or more print Pass, otherwise print Try again.
Start →11More than two choices
Print A if marks is 80 or more, B if it is 60 or more, otherwise C.
Start →12and, or, not
Print Welcome if age is between 8 and 12 (both included), otherwise print Sorry.
Start →4. Loops
Repeating with for
Print the numbers 1 to 5, one per line.
Start →14Adding up in a loop
Add up the numbers 1 to 10 in a loop and print the total (it should be 55).
Start →15Repeating while something is true
Start with n = 100 and keep halving it with n = n // 2 while n is bigger than 5. Print n at the end.
Start →16Loops that decide
Print only the even numbers from 1 to 10, one per line.
Start →5. Lists and dictionaries
Lists: many values in one
Print the first pet, the last pet, and how many pets there are.
Start →18Going through a list
Loop over the list and print each fruit in capital letters.
Start →19Changing and measuring lists
Add 12 to the list, then print the biggest score and the average of all the scores.
Start →20Dictionaries: labels and values
Add Meera with age 10 to the dictionary, then print every name and age like Asha 11.
Start →6. Functions and a project
Functions: your own instructions
Write a function called cheer that prints Hip hip hooray! and call it twice.
Start →22Giving a function information
Write a function double that returns its input times 2, and print double(21).
Start →23Functions that decide
Write is_even(n) that returns True for even numbers and False for odd ones, then use it in a loop to print the even numbers from 1 to 6.
Start →24Project: a quiz scorer
Write a function score(answers) that counts how many answers equal "yes", then print the result as You scored 3 out of 5 (use the length of the list for the out of number).
Start →Next
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Learn Python: questions
What will I learn in Learn Python?
You will write Python programs with variables, text, decisions, loops, lists, dictionaries and functions, and finish with a small project of your own. Each of the 24 lessons has one small task and automatic checking.
How long does it take?
About 360 minutes in total, 24 short lessons of around 15 minutes each. Go at your own pace.
Do I need to know anything first?
No. It starts from your first line of code, and the early lessons only need typing and counting.
Do I get a certificate?
Yes. Finish all the lessons and you can download a free certificate of completion with your name. It is a record of what you did, not an accredited qualification.
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