Call by Reference Vs Call by Value

How does Python pass primitive data types to a function?

• By reference
• By value
• By pointer
• By memory address

What happens when an integer is passed to a function?

• The original value can be changed
• The value remains unchanged
• The value is deleted
• The value is multiplied

What does "pass by reference" mean in Python?

• Copying the entire data
• Passing a reference to mutable data types
• Passing data by memory location
• Deleting the original data

Which data types are passed by value in Python?

• Lists and dictionaries
• Tuples and strings
• Integers and booleans
• Sets and lists

What is the purpose of the .copy() method?

• To delete a list
• To create a new copy of a list
• To modify a list
• To sort a list

How can you check if two variables reference the same data?

• Using '=='
• Using 'is' operator
• Using 'type()'
• Using 'id()'

What does the 'id()' function do in Python?

• Deletes a variable
• Generates a random number
• Provides a unique identifier for an object
• Counts list elements

What is 'None' used to represent in Python?

• A zero value
• The absence of a value
• An empty list
• A boolean false

How is 'None' different from other values?

• It can be changed
• It has multiple instances
• There's only one 'None'
• It's a complex data type

What happens when you assign a variable to 'None'?

• The variable is deleted
• The variable exists but has no value
• The program crashes
• A random value is assigned