Which one of the following lines properly starts a parameterless function definition?

• def fun():
• function fun():
• def fun:
• fun function():

Explanation: The correct way to declare a function in Python is to use the reserved keyword def followed by the name of the function, parentheses () and a colon ‘:’. Since it is parameterless, the parentheses are empty.

More Questions: Python Essentials 1 – Module 4 Test