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Python Basic Data Types MCQ with Answers for Beginners
Quick Quiz
How can you determine if a variable holds a string?
a. Apply the type() function
b. Use the isinstance() function
c. Utilize both a and b
d. Neither of the above
Option b – Use the isinstance() function
How can you verify if a variable contains a list?
a. Apply the type() function
b. Use the isinstance() function
c. Utilize both a and b
d. Neither of the above
Option b – Use the isinstance() function
How can you check whether a variable is a tuple?
a. Apply the type() function
b. Use the isinstance() function
c. Utilize both a and b
d. Neither of the above
Option b – Use the isinstance() function
How would you identify if a variable is a dictionary?
a. Apply the type() function
b. Use the isinstance() function
c. Utilize both a and b
d. Neither of the above
Option b – Use the isinstance() function
How can you find out if a variable is a set?
a. Apply the type() function
b. Use the isinstance() function
c. Utilize both a and b
d. Neither of the above
Option b – Use the isinstance() function
What’s the most effective way to convert a string into an integer?
a. Call the int() function
b. Use the float() function
c. Use the str() function
d. None of these
Option a – Call the int() function
What’s the correct way to turn an integer into a float?
a. Call the int() function
b. Use the float() function
c. Use the str() function
d. None of these
Option b – Use the float() function
What’s the right method to change a string into a list?
a. Use the list() function
b. Use the tuple() function
c. Use the str() function
d. None of these
Option a – Use the list() function
How do you change a list into a tuple?
a. Use the list() function
b. Use the tuple() function
c. Use the str() function
d. None of these
Option b – Use the tuple() function
What method should be used to convert a tuple into a list?
a. Use the list() function
b. Use the tuple() function
c. Use the str() function
d. None of these
Option a – Use the list() function
What’s the appropriate way to turn a dictionary into a list?
a. Use the list() function
b. Use the dict() function
c. Use the str() function
d. None of these
Option a – Use the list() function
How do you convert a list into a dictionary?
a. Use the list() function
b. Use the dict() function
c. Use the str() function
d. None of these
Option b – Use the dict() function
What is the preferred way to sort elements in a list?
a. Use the sort() method
b. Use the sorted() function
c. Both a and b
d. None of these
Option c – Both a and b
How can you determine whether a dictionary has no elements?
a. Check its length using the len() function
b. Evaluate it using the is not None condition
c. Both a and b
d. Neither of the above
Option a – Check its length using the len() function
What method is commonly used to retrieve all keys from a dictionary?
a. Call the keys() method
b. Call the values() method
c. Both a and b
d. None of these
Option a – Call the keys() method
What method is used to extract all values from a dictionary?
a. Use the keys() method
b. Use the values() method
c. Both a and b
d. None of these
Option b – Use the values() method
How do you verify if a dictionary contains a specific key?
a. Use the in operator
b. Use the not in operator
c. Both a and b
d. None of these
Option c – Both a and b
How can you insert a new key-value entry into a dictionary?
a. Use the update() method
b. Use the square bracket assignment []
c. Both a and b
d. None of these
Option b – Use the square bracket assignment []
What’s the correct approach to modify the value of an existing key in a dictionary?
a. Use the update() method
b. Assign the value using []
c. Both a and b
d. None of these
Option b – Assign the value using []
What will be displayed when the following is executed: print("Python"[::-1])?
a. IPython
b. nohtyP
c. Error
d. None
Option b – nohtyP
In Python, what does the is not operator check?
a. Identity comparison
b. Opposite of identity comparison
c. Checks membership
d. Opposite of membership test
Option b – Opposite of identity comparison
What output is returned by the expression 10 / 2 in Python?
a. 5.0
b. 5
c. 2.5
d. Error
Option a – 5.0
How can you determine if a variable is equal to None in Python?
a. var is null
b. var is None
c. var == None
d. var.equals(None)
Option b – var is None
What result is produced by print("Python"[-3:])?
a. Python
b. Pyth
c. thon
d. None
Option c – thon
What is the outcome of the expression not True and False in Python?
a. True
b. False
c. Error
d. None
Option b – False
Which method should be used to change a number into a string in Python?
a. str(number)
b. number.toString()
c. string(number)
d. format(number)
Option a – str(number)
What is the result of print(10.5 // 2) when executed?
a. 5.0
b. 5
c. 5.5
d. Error
Option b – 5
What value results from this expression: int("10") + float("5.5")?
a. 15.5
b. 15
c. 10
d. Error
Option b – 15
What is the correct way to check whether a string contains only numeric characters in Python?
a. string.isnumeric()
b. str.isnumeric()
c. isnumeric(string)
d. isnumeric(str)
Option a – string.isnumeric()
What will be the output of print(7 & 3) in Python?
a. 4
b. 7
c. 3
d. 0
Option c – 3
What result is given by round(3.567, 2)?
a. 3.6
b. 3.56
c. 3.57
d. 4.0
Option c – 3.57
In the expression x = a + 5 - b, identify the role of a and b, and the classification of the right-hand side.
a. terms, a group
b. operators, a statement
c. operands, an expression
d. operands, an equation
Option c – operands, an expression
Which of the following is used for exponentiation (raising to power) in Python?
a. x^y
b. x**y
c. xA^y
d. None of the mentioned
Option b – x**y
a. Addition and subtraction
b. Multiplication, division, and addition
c. Addition, subtraction, multiplication, and division
d. Addition and multiplication
Option c – Addition, subtraction, multiplication, and division
What result is produced by the expression print(-18 // 4)?
a. -4
b. -5
c. 4
d. 5
Option a – -4
What is the outcome of evaluating print(36 / 4)?
a. 9.0
b. 9
Option a – 9.0
What will be the result of print(2 ** 3)?
a. 216
b. 512
Option b – 512
What does print(2 ** (3 * 2)) display?
a. 64
b. 512
Option b – 512
Among the following, which operator has the greatest precedence in Python?
a. not
b. &
c. *
d. +
Option c – *
Which statement about Python variables is incorrect?
a. Variable names cannot begin with a digit, but numbers can appear elsewhere
b. Variable names are allowed to start with an underscore
c. You do not need to specify the data type when declaring variables
d. None of these
Option a – Variable names cannot begin with a digit, but numbers can appear elsewhere
Which of the following will result in an error?
a. a = b = c = 1
b. a, b, c = 1
c. a, b, c = 1, “python”, 1.5
d. None of these
Option c – a, b, c = 1, “python”, 1.5
How many keywords exist in Python?
a. 31
b. 33
c. 32
d. 30
Option b – 33
What is the maximum identifier length supported in Python?
a. 32 characters
b. 31 characters
c. 63 characters
d. Not specified
Option d – Not specified
Python keywords are typically written in:
a. Lowercase letters
b. Uppercase letters
c. A mix of uppercase and lowercase
d. None of these
Option a – Lowercase letters
Which of the following is a false statement?
a. Variable names can be very long and include both letters and numbers
b. Variable names may start with an underscore
c. Variable names may start with a digit
d. Variable names can include letters and numbers
Option d – Variable names can include letters and numbers
Which of these is a valid variable name?
a. var@
b. 32var
c. Class
d. abc_a_c
Option d – abc_a_c
Why are local variables beginning with an underscore generally discouraged?
a. It causes confusion for the interpreter
b. They are intended to represent private class variables
c. They signify global variables
d. They reduce execution speed
Option b – They are intended to represent private class variables
Which of these is a Python keyword?
a. in
b. is
c. assert
d. All of the above
Option d – All of the above
What will be printed by the following code:
print(5 // 2)
a. 2
b. 2.5
c. 2.0
d. Error
Option a – 2
What method does Python use to indicate a block of code?
a. Indentation
b. Keyword
c. Brackets
d. All of the above
Option a – Indentation
Which keyword is used to declare a function in Python?
a. Fun
b. Def
c. Function
d. Define
Option b – Def
Which function can be used to check the current Python version?
a. sys.version(1)
b. sys.version(0)
c. sys.version()
d. sys.version
Option d – sys.version
How does Python allow creating anonymous functions during execution?
a. Pi
b. Anonymous
c. Lambda
d. None of these
Option c – Lambda
What does the acronym pip represent in Python?
a. Pip Installs Python
b. Pip Installs Packages
c. Preferred Installer Program
d. All of the above
Option c – Preferred Installer Program
What are the results of the following expressions?
(2 raised to the power 2)
(3 raised to the power 3)
a. 512, 512, 64
b. 512, 512, 512
c. 64, 6, 64
d. 64, 6, 64
Option a – 512, 512, 64
Which one of these is a built-in Python function?
a. factorial()
b. print()
c. seed()
d. sqrt()
Option b – print()
What will be the output of this expression?
min(max(False, -3, -4), 2, 7)
a. 4
b. -3
c. 2
d. False
Option d – False
Which of the following is NOT considered a fundamental data type in Python?
a. Tuples
b. Lists
c. Class
d. Dictionary
Option c – Class
Which option below is not recognized as a looping construct in Python?
a. for loop
b. while loop
c. do-while loop
d. None of these
Option c – do-while loop
Identify the incorrect statement about loops in Python:
a. Loops allow repeated execution of a block of code.
b. A while loop runs repeatedly as long as the condition remains False.
c. A while loop continues to execute while the condition is True.
d. The for loop can be utilized to iterate over items in a list.
Option b – A while loop runs repeatedly as long as the condition remains False.
Choose the correct statement about loops in Python:
a. Loops must always end with the keyword “end”.
b. It is not possible to loop through the characters of a string.
c. The “break” statement can be used to terminate the current loop prematurely.
d. The “continue” statement causes the loop to skip the rest of the code inside the loop for the current iteration.
Option c – The “break” statement can be used to terminate the current loop prematurely.
A loop will run endlessly if its terminating condition never becomes
a. TRUE
b. FALSE
c. Null
d. Both A and C
Option b – FALSE
When an else clause is paired with a while loop, it executes once the loop’s condition evaluates to
a. TRUE
b. FALSE
c. Infinite
d. Null
Option b – FALSE
In Python, placing one loop inside another is known as a
a. switch
b. foreach
c. nested loop
d. forall
Option c – nested loop
Which of the following represents a no-operation statement in Python?
a. break
b. exit
c. return
d. pass
Option d – pass
The continue statement is applicable within which loops?
a. while loop
b. for loop
c. do-while loop
d. Both A and B
Option d – Both A and B
Which operator negates the outcome of a relational expression?
a. AND
b. OR
c. NOT
d. XOR
Option c – NOT
Which operator returns TRUE only if both expressions are TRUE?
a. AND
b. OR
c. NOT
d. XOR
Option a – AND
Which operator is typically used to combine multiple conditions within an if statement?
a. Assignment
b. Logical
c. Arithmetic
d. Unary
Option b – Logical
How many conditions can a single if statement evaluate?
a. One
b. Two
c. Four
d. Multiple
Option d – Multiple
In Python, how many indentation levels (tabs/spaces) follow an if statement?
a. One
b. Two
c. Three
d. Four
Option a – One
Code blocks execute only when the relational expression evaluates to
a. TRUE
b. FALSE
c. NEUTRAL
d. EQUAL
Option a – TRUE
Which symbol is required immediately after the condition in an if statement?
a. Semicolon (;)
b. Comma (,)
c. Colon (:)
d. Dot (.)
Option c – Colon (:)
Which keyword is used to implement conditional branching in Python?
a. if
b. condition
c. sel
d. select
Option a – if
Is it possible to write an if/else statement on a single line in Python?
a. Yes
b. No
c. if/else not used in Python
d. None of the above
Option a – Yes
Which of the following is a correct Python if statement?
a. if a > -2:
b. if (a > 2)
c. if (a m > 22)
d. if a > 22s
Option a – if a > -2:
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