Gateway Level 3 Python Quiz 2

In Python, the escape character owes its name to the fact that it what?

• Allows special characters to be printed as is
• Allows special characters to be ignored
• Allows special characters to be escaped or interpreted differently
• Allows special characters to be executed

Answer explanation

The escape character is \
Its lets you include things like quotes inside strings - " Hello \"sam\"!"
It also lets you invoke things like line breaks - \n

The most important difference between integers and floating point numbers is the fact that what?

• Integers are represented in binary format, while floating point numbers are represented in decimal format.
• Integers are positive numbers, while floating point numbers can be negative.
• Integers are numbers between 0 and 1, while floating point numbers are numbers greater than 1.
• Integers are whole numbers without decimal points, while floating point numbers can have decimal points.

What does the // operator do in Python?

• Rounded division

• Floor division
• Exponentiation
• Bitwise OR

What is the result of the following addition in Python?
123 + 0.0

• 123
• 0
• Error

• 123.0

Which of these statements about the order of operations is true?

• There is no specific order for performing operations.
• Multiplication and division should be performed before addition and subtraction.
• Addition and subtraction should be performed before multiplication and division.
• Multiplication and division should be performed after addition and subtraction.

What is the default data type for a Python input?

• integer
• string
• boolean
• float

Which statement is correct about Python keywords?

• Keywords can be used as variable names in Python.
• Keywords are used to define functions in Python.
• Keywords are reserved words that have special meanings and cannot be used as variable names.
• Keywords are case-sensitive in Python.

In Python, which operator checks if two values are not equal?

• <=
• ==
• !=
• not ==

How many stars will this Python code send to the console?
i = 2
while i >= 0:

print("*")

i -= 2

• 0

• 1

• 2

• 3

How many hashes will the following code generate?
for i in range(-1, 1):

print('#')

• 0

• 1

• 2

• 3