Data Types and String Functions

Which of the following is an example of a String?

• 42

• "Hello, World!"

• 3.14

• True

Which of the following is an example of an Integer?

• "42"

• 42

• 3.14

• False

Which of the following is an example of a Float?

• "3.14"

• 42

• 3.14

• True

Which of the following is an example of a Boolean?

• "True"

• 42

• 3.14

• False

What does the `len` function do in Python?

• Converts a string to lowercase

• Converts a string to uppercase

• Returns the length of a string

• Accesses a string by index

What is the output of `len("Hello")`?

• 4

• 5

• 6

• 7

What does the `.lower()` function do in Python?

• Converts a string to lowercase

• Converts a string to uppercase

• Returns the length of a string

• Accesses a string by index

What is the output of `"HELLO".lower()`?

• "HELLO"

• "hello"

• "Hello"

• "hELLO"

What does the `.upper()` function do in Python?

• Converts a string to lowercase

• Converts a string to uppercase

• Returns the length of a string

• Accesses a string by index

What is the output of `"hello".upper()`?

• "HELLO"

• "hello"

• "Hello"

• "hELLO"