For loops are used to repeat a section of code a particular number of times.
Look at the example below and click on run:
In the code above, Range refers to the numbers of times you wish for the code to repeat.
We can also use a for loop to iterate over something such as a list or an integer in a variable
for example:
Try to write some code below to count from 0 to 10.
Add this to the trinket below. If you get really stuck, look here for a clue.
An If statement is a control structure. We use if statements to programme an automatic response from a computer. Think about an every day device such as a fire alarm in your house. An if statement is programmed into the device memory to beep loudly if it detects carbon monoxide. Look at the flow chart below. more »
In Python we can write to a text file by using Python code to open and write the file. Today’s lesson comes with some help from a few WWF stars. Opening a file is easy in Python. The open function will open a file or create one if it doesn’t exist in the place you save more »
If all went as it should have in the last task, the names in the text file should have appeared all in one line like the image below. Python has escape codes. The code \n should be able to help us put each name on a new line. Where do you think we need more »
In the last lesson, we looked at simple methods to display text in Python. In this lesson it does not get any harder. I simply want to show you 2 new skills that you may find useful. Escape codes In Displaying text lesson 1, I showed you how to display text that included double more »
