Functions and String Manipulation

What are some common built-in functions in Python?

• input()

• int()

• len()

• print()

• str()

What is the purpose of a function in programming?

• To define reusable pieces of code

• To take input and return output

• To run automatically without being called

• To create variables

What will the following code print? print(add_two(2,3))

• 2

• 3

• 5

• None

What does the keyword 'def' signify in Python?

• It defines a function

• It defines a variable

• It defines a class

• It defines a loop

What happens if no return statement is given in a function?

• The function will return None

• The function will return 0

• The function will return an error

• The function will return an empty string

What is the difference between local and global variables?

• Local variables are accessible outside the function

• Global variables are defined inside a function

• Local variables are defined inside a function

• Global variables can only be used inside the function

What will the following code print? print(len(s)) where s = 'Hello'

• 4

• 5

• 6

• Hello

What does the method s.upper() do?

• Converts the string to lowercase

• Converts the string to uppercase

• Replaces characters in the string

• Counts the occurrences of a character

What will the following code print? print(s.replace('H','h')) where s = 'Hello'

• Hello

• hello

• Helo

• hHllo

What does the split() method do?

• Joins a list of strings into a single string

• Splits a string into a list of substrings

• Counts the number of characters in a string

• Replaces a substring in a string