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Latest Python MCQ Questions for Certification Exam
Quick Quiz
Which design patterns commonly involve control flow statements?
a. State pattern, strategy pattern, and template method pattern
b. Observer pattern, singleton pattern, and factory method pattern
c. Decorator pattern, adapter pattern, and facade pattern
d. All of these
Option d – All of these
In what ways do control flow statements contribute to cleaner and more efficient code?
a. By selecting the right control structure for the task
b. By applying break and continue carefully
c. By thoroughly testing code to confirm correct behavior
d. All of the above
Option d – All of the above
What control flow structures can end the execution of a loop?
a. break
b. continue
c. return
d. All of these
Option d – All of these
Which control statement allows the program to skip to the next iteration of a loop?
a. break
b. continue
c. return
d. None of these
Option b – continue
What control structures are used to run a block of code based on a condition’s outcome?
a. if
b. switch
c. for
d. while
e. a and b
Option e – a and b
Which statements are used to repeat a block of code until a condition becomes false?
a. if
b. switch
c. for
d. while
e. c and d
Option e – c and d
Which control structure guarantees that code runs at least once before checking a condition?
a. do while
b. for
c. while
d. All of the above
Option a – do while
Which control statement is effective for building a state-based system?
a. if
b. switch
c. for
d. while
Option b – switch
Which statements can be used to structure the strategy design pattern?
a. if
b. switch
c. for
d. while
e. a and b
Option e – a and b
What control structures are commonly found in template method implementations?
a. if
b. switch
c. for
d. while
e. a and b
Option e – a and b
Which statements support implementing a binary search?
a. if
b. switch
c. for
d. while
e. a and c
Option e – a and c
What control structures are typically employed in merge sort implementations?
a. if
b. switch
c. for
d. while
e. c and d
Option e – c and d
What control statements are useful for building a quicksort algorithm?
a. if
b. switch
c. for
d. while
e. a, c, and d
Option e – a, c, and d
How does a for loop differ from a while loop?
a. A for loop is typically used when the number of iterations is known in advance, whereas a while loop runs as long as a specified condition remains true.
b. A for loop runs while a condition is true, and a while loop is meant for fixed iteration counts.
c. There is no functional difference between for and while loops.
d. None of the above
Option a – A for loop is typically used when the number of iterations is known in advance, whereas a while loop runs as long as a specified condition remains true.
How is a while loop different from a do-while loop?
a. A while loop guarantees that the code executes at least once, while a do-while loop checks the condition before executing.
b. A do-while loop ensures the code runs once before checking the condition; in contrast, a while loop may not run at all if the condition is false initially.
c. They function the same way with no key differences.
d. None of the above
Option a – A while loop guarantees that the code executes at least once, while a do-while loop checks the condition before executing.
When is it most appropriate to use a for loop?
a. When you need to loop through a list of elements
b. When executing a block of code a specific number of times
c. In both of the above situations
d. None of the above
Option c – In both of the above situations
What are practical scenarios for using a while loop?
a. When looping through a collection until a certain condition is satisfied
b. When a block of code should continue running while a condition is met
c. Both of the above cases
d. None of the above
Option c – Both of the above cases
In which scenario is a do-while loop the most useful?
a. When the code must execute at least once and then continue based on a condition
b. When you need to process a list of items until a specific condition is reached
c. Both of the above situations
d. None of the above
Option c – Both of the above situations
Which elements are essential for defining and invoking a function in Python?
a. The function’s header and body
b. Variables
c. A return statement
d. A function call
Option a – The function’s header and body
In the definition cal(n1), what does n1 represent?
a. Parameter
b. Argument
c. Keyword
d. None
Option a – Parameter
Which module must be imported to use the randint() function?
a. rand
b. random
c. randrange
d. Randomrange
Option b – random
Identify the incorrect statement:
a. print(pow(2, 3))
b. print(power(2.3, 3.2))
c. print(pow(2, 3, 2))
d. None
Option b – print(power(2.3, 3.2))
Which of the following is a valid statement about Python’s standard library?
a. It includes a variety of modules.
b. It is made up of several standard libraries.
c. The terms “library” and “module” mean the same.
d. None
Option a – It includes a variety of modules.
Which method from the math module returns the factorial of a number?
a. fact()
b. facto()
c. factorial()
d. factor()
Option c – factorial()
What is the lowest value that random.randrange(2, 7) can produce?
a. 2
b. 7
c. -2
d. 0
Option a – 2
Which of the following items are part of a Python function header?
- Function name
- Return statement
- List of parameters
- The
defkeyword
a. Only 1
b. 1 and 3
c. 3 and 4
d. 1, 3, and 4
Option d – 1, 3, and 4
Choose the correctly written function header:
a. def cal_si(p=100, r, t=2):
b. def cal_si(p=100, r-=8, t):
c. def cal_si(p, r-8, t):
d. def cal_si(p, r=8, t=2):
Option d – def cal_si(p, r=8, t=2):
Which of the following shows the proper way to invoke a function?
a. my_func()
b. def my_func()
c. return my_func
d. call my_func()
Option a – my_func()
Which function checks if all characters in a string are uppercase?
a. upper()
b. isup()
c. isupper()
d. iscapital()
Option c – isupper()
Which function provides the length of a given sequence?
a. len()
b. length()
c. lenseq()
d. None
Option a – len()
Identify the function that is not included in the math module:
a. ceil()
b. floor()
c. sqrt()
d. mean()
Option d – mean()
To which module does the max() function belong?
a. math
b. csv
c. random
d. It does not require any module
Option d – It does not require any module
What will the output be when " ".isspace() is executed?
a. True
b. False
c. None
d. It causes an error
Option a – True
How can you verify that a string consists only of letters (no other characters) in Python?
a. By using the isalpha() method
b. By using the isletter() method
c. By using the isalphabetic() method
d. By using the alpha() method
Option a – By using the isalpha() method
What does the expression "Python".isprintable() return?
a. True
b. False
c. None
d. It raises an error
Option a – True
Which method would you use to determine if a string contains only uppercase letters (A-Z) and numbers (0-9) in Python?
a. isupper() method
b. isalnum() method
c. isuppercase() method
d. isuppercaseletter() method
Option b – isalnum() method
What is the result of calling "Python".split(None)?
a. [‘Python’]
b. [‘P’, ‘y’, ‘t’, ‘h’, ‘o’, ‘n’]
c. [‘Python’, ”]
d. [‘P’, ‘y’, ”, ‘h’, ‘o’, ‘n’, ”]
Option a – [‘Python’]
Which method checks whether a string is a valid Python variable name (identifier) without other characters?
a. isvalididentifier()
b. isvariable()
c. isname()
d. isvalidvar()
Option a – isvalididentifier()
How can you confirm that a string has only lowercase letters (a-z) in Python?
a. Using the islowercase() method
b. Using the islower() method
c. Using the lower() method
d. Using the islowerletter() method
Option b – Using the islower() method
What output will the code "Hello, World!".ljust(20, "*") produce?
a. “*Hello, World!*****”
b. “Hello, World!”
c. “Hello, World!”
d. “Hello, World!*****”
Option d – “Hello, World!*****”
Which method helps verify that a string contains only hexadecimal digits (0-9, a-f, A-F) in Python?
a. ishex()
b. ishexadecimal()
c. ishexdigits()
Option a – ishex()
What will "Python".zfill(10) return?
a. “Python0000”
b. “0000Python”
c. “Python”
d. “00000Python”
Option b – “0000Python”
How can you check if a string includes only uppercase letters (A-Z) with no other characters?
a. Using isupper()
b. Using isuppercase()
c. Using upper()
d. Using isuppercaseletter()
Option a – Using isupper()
What is the output of "Python".zfill(5)?
a. “Python”
b. “0Python”
c. “000Python”
d. “Python0”
Option a – “Python”
What will be the output of the code "Hello, World!".rjust(20, "-")?
a. “Hello, Worldf”
b. “———-Hello, World!”
c. “Hello, World!”
d. “Hello, World!-“
Option b – “———-Hello, World!”
Which method can you use to determine if a string consists solely of letters and numbers (alphanumeric) in Python?
a. The isalnum() method
b. The isalpha() method
c. The isalphanumeric() method
d. The isvalididentifier() method
Option a – The isalnum() method
What result does the code " Python, p ".strip() produce?
a. “ython”
b. ” Python “
c. “pPython”
d. ” Python,p”
Option d – ” Python,p”
Which function removes leading and trailing whitespace from a string in Python?
a. trim()
b. clear()
c. strip()
d. remove()
Option c – strip()
What does the expression "Hello, World!".split(None, 1) return?
a. [Hello, World!]
b. ['Hello,, World!']
c. [Hello, World!]
d. ['P', 'ython']
Option b – [‘Hello,, World!’]
How do you check if a string includes only decimal digits (0-9) and underscores (_) in Python?
a. By using the isdecimal() method
b. By using the isdigit() method
c. By using the isnumberunderscore() method
d. By using the isvalididentifier() method
Option d – By using the isvalididentifier() method
What will "Python".rjust(6, "-") output?
a. “Python”
b. “-Python”
c. “Python-“
d. “Python”
Option d – “Python”
Which approach verifies whether a string contains only lowercase letters (a-z) and underscores (_) in Python?
a. Using islower() method
b. Using isalpha() method
c. Using islowerunderscore() method
d. Using isvalididentifier() method
Option c – Using islowerunderscore() method
What is the output of "Python".rsplit("o", 1)?
a. ['Pyth', 'n']
b. ['Pytho', '']
c. ['Python']
d. ['Pytho', 'n']
Option a – [‘Pyth’, ‘n’]
Which method checks if all characters in a string are printable (including spaces) and excludes control characters in Python?
a. isvalid()
b. isvisible()
c. isprintable()
d. isprint()
Option c – isprintable()
What does "Python".partition("t") return?
a. ('Py', 't', 'hon')
b. ('Python', '', '')
c. ('Python', 't', 'on')
d. ('P', 't', 'ython')
Option a – (‘Py’, ‘t’, ‘hon’)
How can you verify that a string contains only digits (0-9) and underscores (_) in Python?
a. Using the isdigit() method
b. Using the isalnum() method
c. Using the isnumberunderscore() method
d. Using the isvalididentifier() method
Option c – Using the isnumberunderscore() method
What will "Python".rsplit("Z", 1) return?
a. ['Python']
b. ['Pytho', '']
c. ['Pytho', 'n']
d. ['Pyth', 'on']
Option a – [‘Python’]
Which method helps check if a string is made up exclusively of alphanumeric characters and underscores (_) in Python?
a. Using the isalnum() method
b. Using the isalpha() method
c. Using the isalphanumericunderscore() method
d. Using the isvalididentifier() method
Option c – Using the isalphanumericunderscore() method
What will the code "He1lo, lorld|".rfind("2") return?
a. None
b. 0
c. It causes an error
d. -1
Option d – -1
How can you determine if a string is made up entirely of valid Python variable names and nothing else?
a. By using the isidentifier() method
b. By using the isvalididentifier() method
c. By using the isvariable() method
d. By using the isname() method
Option a – By using the isidentifier() method
What does " Python ".rstrip() output?
a. “Python”
b. ” Python”
c. “Python
d. ” Python “
Option b – ” Python”
Which function removes whitespace from the beginning of a string in Python?
a. trim()
b. clear()
c. lstrip()
d. remove()
Option c – lstrip()
What will "Hello, World!".endswith("n") return?
a. True
b. False
c. None
d. It raises an error
Option b – False
In Python, how do you check if a string contains only valid variable names and no other characters?
a. Use the isvalididentifier() method
b. Use the isvalidvar() method
c. Use the isvariable() method
d. Use the isname() method
Option a – Use the isvalididentifier() method
What does "Python".isidentifier() return?
a. True
b. False
c. None
d. It raises an error
Option a – True
How do you verify if a string has only uppercase letters (A-Z) and nothing else in Python?
a. Using the isupper() method
b. Using the isuppercase() method
c. Using the upper() method
d. Using the isuppercaseletter() method
Option a – Using the isupper() method
What is the output of "Python".count("p")?
a. 0
b. 1
c. 2
d. 3
Option a – 0
How can you check if a string consists solely of lowercase letters (a-z) in Python?
a. Using the islowercase() method
b. Using the islower() method
c. Using the lower() method
d. Using the islowerletter() method
Option b – Using the islower() method
What is the result of concatenating "Hello, " and "World" in Python?
a. “Hello, World!”
b. “Hello, World!”
c. “Hello, +, World!”
d. Error
Option a – “Hello, World!”
How do you get the length of a string in Python?
a. Using str.size()
b. Using len(str)
c. Using length(str)
d. Using str.length()
Option b – Using len(str)
Which method converts a string to lowercase in Python?
a. str.lower()
b. str.toLower()
c. str.LowerCase()
d. str.convertLower()
Option a – str.lower()
Which function divides a string into a list of parts based on a specific delimiter?
a. split()
b. break()
c. separate()
d. explode()
Option a – split()
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