Which method checks how many times a word appears in a string?

• A) count()
• B) find()
• C) index()
• D) match()

Which list method removes the first occurrence of a value?

• A) pop()
• B) del
• C) remove()
• D) discard()

If skills = "Python|Java|C++|Machine Learning", what is the result of skills.split("|")?

• A) Python, Java, C++
• B) Python, Java
• C) Python
• D) Python, Java, C++, Machine Learning

What is the result of the following operation? set1 = {1, 2, 3} set2 = {2, 3, 4} print(set1 & set2)

• A) {1, 4}
• B) {2, 3}
• C) { }
• D) {2, 3, 4}

What will participants[:3] return if participants = [('A',1), ('B',2), ('C',3), ('D',4)]?

• A) [('A',1), ('B',2), ('C',3)]
• B) [('A',1), ('C',3), ('D',4)]
• C) [('B',2), ('C',3), ('D',4)]
• D) [('A',1)]

Which key function allows sorting a list of numbers based on absolute value?

• A) key=abs
• B) key=float
• C) key=int
• D) key=str

What will be the output of the following code? s = {10, 20, 30} s.discard(40) print(s)

• A) {10, 20, 30}
• B) None
• C) {10, 20, 30, 40}
• D) Error: 40 not found in set

Which one of the following methods splits a multi-line string into a list of lines?

• A) breaklines()
• B) lines()
• C) split(" ")
• D) splitlines()

What will bio.replace("ai", "Artificial Intelligence", 1) do?

• A) Do nothing if "ai" is in lowercase
• B) Replace only the first occurrence of "ai"
• C) Replace "ai" in each word
• D) Replace all "ai" with "Artificial Intelligence"

What does the strip() method do to a string?

• A) Removes leading and trailing whitespace
• B) Converts to uppercase
• C) Splits the string into a list
• D) Removes all characters

Which operator is used for variable-length unpacking in Python?

• A) **
• B) *
• C) &
• D) //

What is the result of the following operation? (1, 2) + (3, 4)

• A) (1, 2, 3, 4)
• B) (4, 6)
• C) [1, 2, 3, 4]
• D) (1, 2)(3, 4)

what is the result of participants[0] if participants = [('Zara', 85), ('Ahmed', 90)]?

• A) ('Zara', 85)
• B) ['Zara', 85]
• C) 'Zara'
• D) 85

What is a key characteristic of a recursive function?

• A) It returns a tuple
• B) It always use lambda
• C) It calls itself within its body
• D) It contains a while loop

Which method adds a single element to a set?

• A) add()
• B) push()
• C) append()
• D) insert()

What does the strip() method do in Python?

• A) Removes leading and trailing whitespace
• B) Converts lowercase to uppercase
• C) Removes all occurrences of a character
• D) Replaces all spaces with tabs

How can we access the last element of a tuple?

• A) tuple[len]
• B) tuple[-1]
• C) tuple[length]
• D) tuple.last()

How do you sort a list ignoring case sensitivity?

• A) sorted(list, key=abs)
• B) list.sort()
• C) list.sort(reverse=True)
• D) sorted(list, key=str.lower)

Which of the following is used to extract the first letter of a string s?

• A) s[2]
• B) s[1]
• C) s[-1]
• D) s[0]

What does the count("and") method return when applied on a string?

• A) Removes the word "and" from a string
• B) Number of words in a string
• C) Number of times "and" appears in a string
• D) Position of the word "and" in a string