02 . Perform Operations using Data Types and Operations 1

Question 1

In python, what is the difference between a single equals sign and a double equal sign?

Answer 1

A single equals sign is assigning a value to a variable.

A double equals sign is asking whether something is equal.

Question 2

What will be the output of the following two print statements?

a = 15
b = 25
c = 15

print( a == b)

print( a == c)

Answer 2

The print statement will evaluate to Boolean values.

False

True

Question 3

What will be the output of the following two print statements?

a = 15
b = 25
c = 15

print( a <= b)

print( a != c)

Answer 3

True

False

Question 4

Name the three logical keywords used in Python

Answer 4

1. and
2. or
3. not

Question 5

What will be the output of the following two print statements?

a = 15

b = 25

c = 15

d = 20

print( a == c and b !=c)

print( a == b and b == c)

Answer 5

True

False

Question 6

What will be the output of the following two print statements?

a = 15

b = 25

c = 15

d = 20

print( a == b or b == c)

print( not a == b or b == c)

Answer 6

False

True

Question 7

What will be the output of the print statement?

a = 8
b = 3

print( a ** b)

Answer 7

** means exponent, i.e. 8 x 8 x 8

Answer = 512

Question 8

What will be the output of the print statement?

a = 8
b = 3

print( a % b)

Answer 8

% means modulus, as in the remainder.

Answer = 2

Question 9

What will be the print statement output?

sales = [30000, 32000, 25000, 4000]

print( 25000 in sales)

Answer 9

True

Question 10

What is the difference between x = 5 and x ==5?

Answer 10

x = 5 indicates that x is equal to 5

x == 5 is asking if x is equal to 5

Question 11

What is the order of operations?

Answer 11

PEMDAS

1. Parentheses (simplify inside ‘em)
2. Exponents
3. Multiplication and Division (from left to right)
4. Addition and Subtraction (from left to right)