Python List & Tuple MCQs

Question 1: Which of the following is mutable?

• List
• String
• Tuple
• Set

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Question 2: A list can contain _________ elements.

• Unlimited (depends on computer's memory)
• 10000
• 1 Million
• 10 Million

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Question 3: What will be the output of the following code?

nums=list({1:'one',2:'two'})
print(nums)

• Syntax Error
• [1, 2]
• [‘one', ‘two']
• Runtime error

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Question 4: Which of the following is an invalid list object?

• list(“Hello”)
• [10, 1.234. 2+3j, ‘Python']
• [(1,2), (3,4)]
• All are valid

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Question 5: The list.pop() function will

• remove the first element from a list
• remove the last element from a list
• none will be removed
• both will be removed

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Question 6: If ['one', 'four', 'three', 'two'] is a list object, the sort() function will return _____.

• ['four', 'three', 'two', 'one']
• ['four', 'one', 'three', 'two']
• ['one', 'two', 'three', 'four']
• None of the above

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Question 7: Which of the following is true?

• List object can contain tuple as one of the items
• Tuple can contain a list as one of the items
• Both a and b are true
• Both a and b are false

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Question 8: If lst=[[1,2],[3,4]], which of the following will result true?

• 3 in lst
• [3,4] not in lst
• 3 in lst[1]
• None of the above

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Question 9: What will be the output of the following?

lst=['Python', 'Java', 'C++'] 
 	lst.insert(len(L1),'SQL')
print(lst)

• ['Python', 'Java', 'C++', 'SQL']
• ['SQL', 'Python', 'Java', 'C++']
• ['Python', 'SQL', 'Java', 'C++']
• ['Python', 'Java', 'SQL', 'C++']

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Question 10: What are list comprehensions?

• It is the process of creating list objects from tuples or dictionaries using for loop.
• It is an easy and compact syntax for creating a list from a string or another list.
• Short syntax of modifying the list.
• Short syntax of converting list to other collection types.

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