Python Object Types - Numbers

What are the two main components in Python?

• Things and stuff

• Modules and statements

• Expressions and objects

• Operations and values

What are objects in Python?

• Pieces of memory with values and associated operations

• Data structures to represent components in an application's domain

• Built-in tools provided by Python

• Objects created using Python classes or external language tools

Why should built-in object types be used in Python?

• They make programs easy to write

• They are components of extensions

• They are often more efficient than custom data structures

• All of the above

What are the core data types in Python?

• Numbers, strings, lists, dictionaries, tuples, files, sets

• Booleans, types, None

• Functions, modules, classes

• Compiled code, stack tracebacks

What operations are supported by numbers in Python?

• Addition, multiplication, exponentiation

• Subtraction, division, modulus

• Comparison, bitwise operations

• All of the above

What is the length of the string 'Spam'?

• 3

• 4

• 5

• 6

How can we fetch the second item from the left in a string?

• S[0]

• S[1]

• S[-1]

• S[-2]

What is the purpose of the math module in Python?

• To perform advanced numeric operations

• To generate random numbers

• To manipulate strings

• To handle file operations

What is the result of the expression '3.1415 * 2'?

• 6.2830000000000004

• 6.283

• 3.141592653589793

• 9.219544457292887

What is the index of the last item from the end in a string?

• 0

• 1

• -1

• -2