Data Science and Machine Learning (Theory and Projects) A to Z - Python Useful function: Python Function- Is instance an

The video tutorial introduces the concept of type checking in Python using the isinstance function. It explains how to verify if a data value belongs to a specific type, which is useful when dealing with variables whose values are not directly assigned by the programmer. The tutorial provides examples of checking integer, float, and complex types. It also covers the power function, which calculates the power of a number and can take three arguments to return the remainder. The video concludes with a preview of the next topic, which involves taking user input.

Why might it be important to check the type of a variable in Python?

• To ensure the variable is not null

• To verify the variable is assigned by the user

• To confirm the variable's data type matches expectations

• To check if the variable is a string

What does the isinstance function return when checking if 1.0 is an integer?

• None

• An error

• False

• True

How can you check if a value belongs to multiple types using isinstance?

• By using a list of types

• By using a tuple of types

• By using a set of types

• By using a dictionary of types

What is the result of 2 raised to the power of 4 using the power function?

• 64

• 32

• 16

• 8

What additional operation can the power function perform when given three arguments?

• It can add a third number to the result

• It can take the remainder of the result by a third number

• It can divide the result by a third number

• It can multiply the result by a third number

Which operator can be used as an alternative to the power function for exponentiation?

• Slash (/)

• Percent (%)

• Single star (*)

• Double star (**)

What will the next video in the series cover?

• File operations

• Advanced data types

• Taking input from the user

• Error handling