Python Questions

March 20, 2023

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Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/u797631661/domains/codermantra.com/public_html/wp-includes/formatting.php on line 449

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457

Python Questions

1 / 15

1. Loops are known as ___ in programming.

A. Control flow statements

B. Conditional statements

C. Data structure statements

D. None of the mentioned above

2 / 15

2. Which of the following best describes inheritance?

A. Ability of a class to derive members of another class as a part of its own definition

B. Means of bundling instance variables and methods in order to restrict access to certain class members

C. Focuses on variables and passing of variables to functions

D. Allows for implementation of elegant software that is well designed and easily modified

3 / 15

3. What will be the output of the following Python code?

l=list('HELLO')
p=l[0], l[-1], l[1:3]
'a={0}, b={1}, c={2}'.format(*p)

A. Error

B. “a=’H’, b=’O’, c=(E, L)”

C. “a=H, b=O, c=[‘E’, ‘L’]”

D. Junk value

4 / 15

4. Which of the following is used to define a block of code in Python language?

A. Indentation

B. Keys

C. Brackets

D. All of the above

5 / 15

5. What will be the output of the following Python code?

    x = 50

    def func(x):

        print('x is', x)

        x = 2

        print('Changed local x to', x)

    func(x)

    print('x is now', x)

A. x is 50 Changed local x to 2 x is now 50

B. x is 50 Changed local x to 2 x is now 2

C. x is 50 Changed local x to 2 x is now 100

D. None of the mentioned

6 / 15

6. Which of the following is a Python tuple?

A. {1, 2, 3}

B. {}

C. [1, 2, 3]

D. (1, 2, 3)

7 / 15

7. Which of the following types of loops are not supported in Python?

A. for

B. while

C. do-while

D. All of the above

8 / 15

8. What will be the output of the following Python code?

t = '%(a)s, %(b)s, %(c)s'
t % dict(a='hello', b='world', c='universe')

A. ‘hello, world, universe’

B. ‘hellos, worlds, universes’

C. Error

D. hellos, world, universe

9 / 15

9. Which one of the following syntaxes is the correct syntax to read from a simple text file stored in ”d:python.txt”?

A. Infile = open(file=''d:\python.txt'', ''r'')

B. Infile = open(''d:python.txt'',''r'')

C. Infile = open(''d:\python.txt'', ''r'')

D. Infile = open.file(''d:\python.txt'',''r'')

10 / 15

10.

What will be the datatype of the var in the below code snippet?

var = 10
print(type(var))
var = "Hello"
print(type(var))

A. str and int

B. int and int

C. str and str

D. int and str

11 / 15

11. Which of the following concepts is not a part of Python?

A. Pointers

B. Loops

C. dynamic typing

D. All of the above

12 / 15

12. What happens if the file is not found in the following Python code?

a=False
while not a:
    try:
        f_n = input("Enter file name")
        i_f = open(f_n, 'r')
    except:
        print("Input file not found")

A. No error

B. Assertion error

C. Input output error

D. Name error

13 / 15

13. What will be the output of the following Python function?

float(‘-infinity’)
float(‘inf’)

A. –inf Inf

B. –infinity Inf

C. Error Error

D. Error Junk value

14 / 15

14. As what datatype are the *kwargs stored, when passed into a function?

A. list

B. tuple

C. dictionary

D. none of the above

15 / 15

15. Consider the results of a medical experiment that aims to predict whether someone is going to develop myopia based on some physical measurements and heredity. In this case, the input dataset consists of the person’s medical characteristics and the target variable is binary: 1 for those who are likely to develop myopia and 0 for those who aren’t. This can be best classified as

A. Regression

B. Decision Tree

C. Clustering

D. Association Rules

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