Raspberry Pi - gpiozero Library
Which of the following is the correct syntax to define a callback function named on_press in Python?
Which of the following is the correct syntax to define a callback function named on_press in Python?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Python function syntax
Python functions are defined using def, followed by the function name and parentheses.Step 2: Check options for correct syntax
def on_press(): uses def on_press(): which is correct Python syntax.Final Answer:
def on_press(): -> Option DQuick Check:
Python function definition = def name(): [OK]
Quick Trick: Define functions with def name(): in Python [OK]
Common Mistakes:
- Using 'function' keyword
- Using brackets [] instead of ()
- Using 'callback' keyword incorrectly
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