Python Fundamental 1

What is the output of "12"+"4"+"3"?

• 1234

• 1243

• 10

• 19

What does the ** operator do in Python?

• It performs exponentiation (raising the left operand to the power of the right operand).

• It performs floor division (divides and rounds down to the nearest integer).

• It performs bitwise AND (compares each bit of the operands and returns 1 if both bits are 1).

• It performs addition (adds the numeric values of both operands).

Which operator is used for string concatenation?

• +

• &

• |

• ^

Which of the following is a valid variable name in Python?

• 2things

• _myVar

• my-var

• None of the above

What data type is the object below?
[1, 2.2, 'python']

• List

• Dictionary

• Tuple

• Set

To check the data type of a variable a in Python, which function will you use?

• typeof(a)

• datatype(a)

• type(a)

• data_type(a)

What does the expression None == None evaluate to?

• True

• False

• None

• Error

Which function is used to add an element to a set in Python?

• append()

• add()

• insert()

• push()

How can you add a new key-value pair to a dictionary named data? Assume data = {}.

• • data.add('key': 'value')

• data['key'] = 'value'

• data.insert('key', 'value')

• data.append('key': 'value')

What will be the output of len({'a':1, 'b':2, 'c':3})?

• 3

• 6

• None

• An error