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Using all the skills we covered in the previous few challenges, we are going to adapt a script to create our own logo using Python Turtle.
First let’s look at the following code:
Choose your own colours using a colour palette.
We will use iteration (For Loop) to recreate each branch of the snowflake.
Using these commands you will need to draw the following pattern:
Remember to use our Python Cheat Sheet to find out how the For loop works.
Write a program that lets the end-user enter a year using 4 digits (“yyyy” format).
The program should inform the user whether the year entered is a leap year or not.
Write a program that lets the end-user enter a date using the “dd/mm/yyyy” format.
The program should inform the user whether the date entered is a valid date or not using the following criteria:
| “mm” | Month | Acceptable Date Range (“dd”) |
| 01 | January | 1 to 31 |
| 02 | February | 1 to 29 on a leap year
1 to 28 otherwise |
| 03 | March | 1 to 31 |
| 04 | April | 1 to 30 |
| 05 | May | 1 to 31 |
| 06 | June | 1 to 30 |
| 07 | July | 1 to 31 |
| 08 | August | 1 to 31 |
| 09 | September | 1 to 30 |
| 10 | October | 1 to 31 |
| 11 | November | 1 to 30 |
| 12 | December | 1 to 31 |
Change your program so that it asks for the end-user to type their firstname. (e.g. “John”)
The program should then display “Hello John!”
When the user enters their firstname (e.g.”James”) and their lastname (e.g. “Bond”) the program should then display the following output:
“Hello my name is Bond, James Bond”
Look at the following code which highlights some key string manipulation techniques:
Using the code above can you tell how to use Python to:
The program should then generate the end-user’s username using the following rules:
Test your program with the following data:
| Firstname | Lastname | Year Group | Expected Output | Actual Output |
| John | Lennon | 7 | 07jlennon | |
| Paul | McCartney | 11 | 11pmccartney | |
| George | Harrison | 8 | 08gharrison | |
| Ringo | Starr | 9 | 09rstarr |
Looking at the following code can you explain the purpose of each Python Turtle instructions:
The first one is done for you.
Complete the code below so that it draws 6 additional squares of different colours creating a linear gradient between both the given colours.
This is what the program should display on screen:
Allow the user to change the colours and make sure your program always create the desired gradient.
By completing this challenge we are going to learn how to define our own functions in Python.
We will also assign parameters to our functions.
Look at the code below used to calculate the volume of a cube. This code is based on the use of a function called getVolumeOfCube(). This function takes one parameter (width) and return the volume of the cube (in mL).
def getVolumeOfCube(width):
volume = width * width * width
#This calculates the volume in cubic millimeters. Divide it by 1000 to get this volume in mL
volume=volume/1000
return volume
#Main Program Starts Here
cubeVolume=getVolumeOfCube(50)
print("The volume of a cube with a side of 50mm is: " + str(cubeVolume) + " mL.")
Before comleting this challenge you may want to recap on our previous two challenges:
In this challenge we are using iteration to repeat a number of instructions over and over.
Square Based Spiral #1:
Square Based Spiral #2:
Spider Web:
In our previous challenge, we looked at using sequencing to write a program using Python Turtle to complete a drawing.
Remember when using Python Turtle, the most useful instrcutions are as follows:
Iteration Example 1: (Star)
Iteration Example 2: (Flower)
Iteration Example 3: (Using nested loops)
LMC Simulator
Logic Gates Circuits
Network Designer
Flowchart Studio
Online Python IDE