python quiz 2 prutor

Start date- 14-04-2021                                                      End date- 27-04-2021

 

LET'S BEGIN......

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Q.1. If list=['red' , 'blue' , 'green' , 'yellow'] , what will be the output of :
        list.pop('blue')
        print(list)

1.yellow

2.red', 'blue', 'green'

3.blue', 'green', 'yellow'

4.error

ANSWER :- (4) Here it will give an error as the given statement is incorrect,

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Q:2. Which function will remove an item from a list?

1.del()

2.remove()

3.pop()

4. All of the above

ANSWER :-    (3) in python pop function will delete an item from a list, also it returns last value from the list or the given index value.

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Q:3. If list=['suzuki', 'subaru', 'honda', 'maruti'] , what will be the output of
        print(list[3])
        after running the code :
        list.sort(reverse=True) ?

1.suzuki

2.subaru

3.honda

4.maruti

ANSWER :- (3)  as here honda is present at third index in list thus it returns honda as output. 

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Q:4. Which statement is correct?

1.sorted() method sorts the items in ascending order

2.sorted() method maintains the sorted order of the items in the list

3.Both A and B

4.Neither A nor B

ANSWER :- (1) here by shorted method we can specify ascending or descending order of the items.

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Q:5. Which method is used to arrange the items of a list in ascending order in python?

1.sort()

2.arrange()

3.sort(reverse=True)

4.ascend()

ANSWER :- (1)Sort() sorts any sequence (list, tuple) and always returns a list with the elements in sorted manner, without modifying the original sequence.

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Q:6. Which of the following is used for performing repetitive tasks in Python?

1.Counters

2.Lists

3.Arrays

4.Loops

ANSWER :- (4) loops are used for performing repetitive tasks in python, with the help of loops we can reduce a long series of repetitive instructions down to one instruction .

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Q:7. How is a line, or a group of lines, related to the rest of the python program?

1.square brackets []

2.indentation

3.braces {}

4.parentheses ()

ANSWER :- (2) indentation refers to the spaces at the beginning of a code line Python uses indentation to indicate a block of code. and relate a line to entire program. while other languages uses braces to define block of codes.

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Q:8. If numbers=[1, 2, 3, 4, 5] , then how to get the largest value of this list?

1.high(numbers)

2.max(numbers)

3.large(numbers)

4.sum(numbers)

ANSWER :- (2) In Python max() function returns the largest item in an iterable. It can also be used to find the largest item between two or more parameters.

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Q:9. What should come in place of X if we want to print HI! 6 times?
        for i in range(X):
            print('HI!'')

1.1,5

2.1,6

3.5

4.  1,7

ANSWER :- (4) we use range(last) to create a range of 0 to last where last is the number of times also use loop to iterate through given range.

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Q:10. Which of the following is a valid singleton tuple?

1.single=(1)

2.single=1,

3.single=()

4.single=1

ANSWER :- (2) A tuple of one item can be formed by affixing a comma to an expression. an expression by itself does not create a tuple, since parentheses must be usable for grouping of expressions. thus single=1, is correct one.

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