1. Simple Functions for the microbit

See: https://www.w3schools.com/python/python_functions.asp

Functions are blocks of code that can be used many times in a program.

They avoid code repetition.

Functions can do something or return values.

Functions are defined using the def keyword.

To use the function, it is called using its name with parentheses.

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1.1. Functions without parameters

The function below does something. It scrolls text.

It is defined using the def keyword and has empty parentheses.

The def line has a colon at the end and the code for the definition is indented.

To use the function, it is called using its name with parentheses; show_welcome().

from microbit import *

def show_welcome():
    display.scroll("Hello mb user!", delay=80)

show_welcome()

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Tasks

1. Write a function called scroll_name that scrolls your name.

2. Write a function called countdown that counts down from 5 to 1, showing each number.

Q1

Write a function called scroll_name that scrolls your name.

from microbit import *

def scroll_name():
    display.scroll("my name", delay=80)

scroll_name()

Q2

Write a function called countdown that counts down from 5 to 1, showing each number.

from microbit import *

def countdown():
    for num in range(5, 0, -1):
        display.show(num)
        sleep(300)
    display.clear()

countdown()