Wednesday, July 3, 2024

30+ MCQs on Python Operators and Expressions

Welcome to our Python Operators and Expressions quiz! Understanding operators and expressions is essential in Python programming as they type the muse for manipulating information and controlling program circulate. This quiz will check your information of varied forms of operators reminiscent of arithmetic, comparability, and logical operators, in addition to how expressions are evaluated in Python. Get able to problem your self and deepen your understanding of those elementary ideas!

Python Operators and Expressions

30+ MCQs on Python Operators and Expressions

Q1. Which operator is used to calculate the rest of a division?

a) %
b) //
c) /
d) **

Reply: a

Rationalization: The % operator in Python is used to calculate the rest of a division operation. For instance, 10 % 3 leads to 1 as a result of 10 divided by 3 equals 3 with a the rest of 1.

Q2. What’s the results of the expression 4 < 5 and 5 < 6?

a) True
b) False
c) Error
d) Not one of the above

Reply: a

Rationalization: The expression 4 < 5 and 5 < 6 evaluates to True as a result of each circumstances are true. In Python, the and operator returns True provided that each circumstances on its left and proper are true.

Q3. What would be the output of the next code?

print(3 ** 3)

a) 9
b) 27
c) 81
d) 6

Reply: b

Rationalization: The code 3 ** 3 calculates 3 raised to the ability of three, which is the same as 27. Due to this fact, the output might be 27.

This fall. What does the expression not(10 == 10) consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: b

Rationalization: The expression 10 == 10 evaluates to True as a result of 10 is certainly equal to 10. The not operator negates this consequence, so not(10 == 10) evaluates to False.

Q5. Which operator is used to carry out flooring division?

a) %
b) //
c) /
d) **

Reply: b

Rationalization: The // operator in Python is used to carry out flooring division, which returns the most important integer lower than or equal to the quotient of the division.

Q6. What would be the output of the next code?

print(9 % 4)

a) 1
b) 2
c) 3
d) 0

Reply: a

Rationalization: The % operator calculates the rest of the division operation. Right here, 9 % 4 leads to 1 as a result of 9 divided by 4 equals 2 with a the rest of 1.

Q7. What does the expression 3 != 3 or 5 > 4 consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: a

Rationalization: The expression 3 != 3 evaluates to False as a result of 3 is certainly equal to three. Nonetheless, 5 > 4 evaluates to True. Since it’s linked by or, if both situation is True, the entire expression evaluates to True.

Q8. What would be the output of the next code?

print(7 // 2)

a) 3.5
b) 4
c) 3
d) 2

Reply: c

Rationalization: The // operator performs flooring division, returning the most important integer lower than or equal to the quotient of the division. Right here, 7 // 2 leads to 3.

Q9. What does the expression not(3 < 2) consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: a

Rationalization: The expression 3 < 2 evaluates to False as a result of 3 is just not lower than 2. The not operator negates this consequence, so not(3 < 2) evaluates to True.

Q10. Which operator is used to carry out logical AND operation?

a) &
b) &&
c) and
d) AND

Reply: c

Rationalization: The and key phrase is utilized in Python to carry out logical AND operation between two operands.

Q11. What would be the output of the next code?

print(2 ** 0)

a) 1
b) 0
c) 2
d) 3

Reply: a

Rationalization: Any quantity raised to the ability of 0 equals 1. So, 2 ** 0 leads to 1.

Q12. What does the expression 10 == 10 and 5 > 6 consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: b

Rationalization: The expression 10 == 10 evaluates to True as a result of 10 is the same as 10. Nonetheless, 5 > 6 evaluates to False. Since it’s linked by and, each circumstances should be True for the entire expression to be True.

Q13. Which operator is used to carry out logical OR operation?

a) |
b) ||
c) or
d) OR

Reply: c

Rationalization: The or key phrase is utilized in Python to carry out logical OR operation between two operands.

Q14. What does the expression (5 != 5) or (6 >= 6) consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: a

Rationalization: The expression (5 != 5) evaluates to False as a result of 5 is the same as 5. Nonetheless, (6 >= 6) evaluates to True. Since it’s linked by or, if both situation is True, the entire expression evaluates to True.

Q15. Which operator is used to carry out bitwise XOR operation?

a) ^
b) ^^
c) xor
d) XOR

Reply: a

Rationalization: The ^ operator in Python is used to carry out bitwise XOR operation between two operands.

Q16. Which operator is used to carry out left shift?

a) <<
b) >>
c) <<>>
d) LSH

Reply: a

Rationalization: The << operator in Python is used to carry out left shift operation on the binary illustration of a quantity.

Q17. What does the expression (6 > 5) or (7 <= 7) consider to?

a) True
b) False
c) Error
d) Not one of the above

Reply: a

Rationalization: Each circumstances (6 > 5) and (7 <= 7) are True, and since they’re linked by or, the entire expression evaluates to True.

Q18. What’s the results of the next expression in Python?

10 * (3 + 5) // 2

a) 40

b) 35

c) 20

d) 25

Reply: c

Rationalization: Parentheses have greater priority than multiplication, which has greater priority than flooring division, so the expression is evaluated as 10 * (3 + 5) // 2, leading to 20.

Q19. What’s the results of the next expression in Python?

8 / 2 + 2 * 3

a) 14

b) 10

c) 12

d) 16

Reply: c

Rationalization: Multiplication and division have the identical priority and are evaluated from left to proper, so the expression is evaluated as 8 / 2 + 2 * 3, leading to 12.

Q20. What’s the results of the next expression in Python?

5 + 2 * 3 ** 2

a) 35

b) 23

c) 25

d) 17

Reply: c

Rationalization: Exponentiation has greater priority than multiplication, which has greater priority than addition, so the expression is evaluated as 5 + (2 * 3 ** 2), leading to 25.

Q21. What’s the results of the next expression in Python?

10 > 5 < 2

a) True

b) False

c) 7

d) Error

Reply: b

Rationalization: Chained comparability operators are evaluated left to proper, so 10 > 5 < 2 evaluates to False.

Q22. What’s the results of the next expression in Python?

3 * "Hey"

a) “HelloHelloHelloHello”

b) “Hey 3 occasions”

c) “HelloHelloHello”

d) Error

Reply: a

Rationalization: The multiplication (*) operator repeats the string “Hey” thrice, leading to “HelloHelloHello”.

Q23. What’s the results of the next expression in Python?

-5 // 2

a) -2

b) -3

c) 2

d) 3

Reply: b

Rationalization: Flooring division at all times rounds in the direction of damaging infinity, so -5 // 2 equals -3.

Q24. What would be the results of the next expression?

8 % 3 + 2 ** 2 * (2 + 2)

a) 21
b) 20
c) 19
d) 18
Reply: b
Rationalization: First, 8 % 3 leads to 2. Then, 2 ** 2 leads to 4. Subsequent, (2 + 2) leads to 4. So, the expression turns into 2 + 4 * 4, which equals 20.

Q25. What does the next expression consider to?

(3 + 2) * 4 / 2 ** 2

a) 12.0
b) 5.0
c) 10.0
d) 6.0
Reply: a
Rationalization: Parentheses are evaluated first, so (3 + 2) turns into 5. Then, 2 ** 2 is 4. After that, 5 * 4 is 20, and eventually, 20 / 4 equals 5.0.

Q26. What would be the output of the next code snippet?

x = 5
y = x * 2 if x < 10 else x / 2
print(y)

a) 10

b) 2.5

c) 5

d) 25

Reply: a

Rationalization: Since x is lower than 10, the expression x * 2 is evaluated, leading to 10.

Q27. What does the expression bool(0) consider to?

a) True

b) False

c) None

d) Error

Reply: b

Rationalization: In Python, 0 is taken into account as False when transformed to a boolean utilizing the bool() perform.

Q28. What does the expression len(‘Python’) return?

a) 7

b) 6

c) 8

d) 5

Reply: b

Rationalization: The len() perform returns the size of a string, so len(‘Python’) returns 6.

Q29. What would be the worth of y after executing the next code snippet?

x = 5
y = x if x < 10 else x / 2

a) 5

b) 2.5

c) 10

d) Error

Reply: a

Rationalization: Since x is lower than 10, the worth of y might be x, which is 5

Q30. What’s the output of the expression min(4, -2, 7, 1)?

a) 4

b) -2

c) 7

d) 1

Reply: b

Rationalization: The min() perform returns the smallest of the enter values. So, min(4, -2, 7, 1) returns -2.

Q31. What’s the output of the expression spherical(2.564, 2)?

a) 2.56

b) 2.6

c) 2.57

d) 2.564

Reply: b

Rationalization: The spherical() perform rounds the given quantity to the desired variety of digits after the decimal level. So, spherical(2.564, 2) returns 2.56.

Q32. What’s the output of the expression abs(-5.5)?

a) -5.5

b) 5.5

c) -5

d) 5

Reply: b

Rationalization: The abs() perform returns absolutely the (optimistic) worth of a quantity. So, abs(-5.5) equals 5.5.

Q33. What would be the worth of y after executing the next code snippet?

x = 5
y = x if x != 5 else x + 2

a) 5

b) 7

c) 10

d) Error

Reply: b

Rationalization: Since x is the same as 5, the worth of y might be x + 2, which is 7.

Congratulations on finishing the Python Operators and Expressions quiz! We hope you discovered the questions each difficult and informative. Mastering operators and expressions is crucial for writing environment friendly and error-free Python code. Whether or not you aced the quiz or encountered some challenges, use this expertise to additional improve your understanding of Python programming. Hold practising, exploring, and experimenting with Python, and also you’ll proceed to develop as a proficient programmer. Hold coding and completely happy studying!

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