Python In Practice - 15 Projects to Master Python - hash( )

The video tutorial explains the concept of hash values in Python, focusing on their role in comparing dictionary keys. It introduces the globals function, showing how it returns a dictionary of global variables. The tutorial then demonstrates the hash function, illustrating how it generates hash values for different objects, such as integers and strings, highlighting the differences in hash values for various data types.

What is the primary purpose of a hash value in Python?

• To execute functions

• To sort lists

• To encrypt data

• To compare dictionary keys

Which function is used to print global variables in Python?

• vars()

• globals()

• dir()

• locals()

How are hash values used in the context of dictionaries?

• To store data

• To compare key-value pairs

• To delete keys

• To iterate over keys

What does the hash function return when used on an integer?

• A boolean

• The same integer

• A list

• A string

What happens to the hash value when the data type of an object changes?

• It remains the same

• It becomes negative

• It becomes zero

• It changes