NPTEL Python For Data Science Assignment 1 Answers 2023 (week1) :- Hello students in this article we are going to share Answers of Python For Data Science Assignment 1 Answers 2023. All the Answers are provided below to help the students as a reference, You must submit your assignment with your own knowledge.
NPTEL Python For Data Science Week 1 Assignment Answer 2023
1. What is the output of the following code?
- 36
- 121212
- 123
- Error: Invalid operation, unsupported operator β*β used between βintβ and βstrβ
Answer :- 121212
2. What is the output of the following code?
- -1
- -2
- -1.28
- 1.28
Answer :- -2
3. Consider a following code snippet. What is a data type of y?
- int
- float
- str
- Code will throw an error.
Answer :- Click Here
4. Which of the following variable names are INVALID in Python?
- 1_variable
- variable_1
- variable1
- variable#
Answer :- Click Here
5. While naming the variable, use of any special character other than underscore(_) ill throw which type of error?
- Syntax error
- Key error
- Value error
- Index error
Answer :- Click Here
6. Let x = βMayurβ. Which of the following commands converts the βxβ to float datatype?
- str(float,x)
- x.float()
- float(x)
- Cannot convert a string to float data type
Answer :- Click Here
7. Which Python library is commonly used for data wrangling and manipulation?
- Numpy
- Pandas
- scikit
- Math
Answer :- Click Here
8. Predict the output of the following code.
- 12.0
- 12
- 11.667
- 11
Answer :- Click Here
9. Given two variables, j = 6 and g = 3.3. If both normal division and floor division operators were used to divide j by g, what would be the data type of the value obtained from the operations?
- int, int
- float, float
- float, int
- int, float
Answer :-Click Here
10. Let a = 5 (101 in binary) and b = 3 (011 in binary). What is the result of the following operation?
- 3
- 7
- 5
- 1
Answer :- Click Here
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NPTEL Python For Data Science Assignment 1 Answers 2023 (January-June)
1. Which of the following is/are the correct ways of naming variables in Python?
a. 2_max = 5
b. max_2 = 5
c. max2 = 5
d. max @2 = 5
Answer:- B, C
2. What does 5%11 will evaluate to
a. 1
b. 5
c. 0
d. Syntax error
Answer:- B
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3. What does 4//7 evaluate to
a. 0
b. 1
c. 0.0
d. 4
Answer:- A
4.What will be the output of the following code snippet?
num_1= ‘100
num_2 = ‘200
print(num_1 + num_2)
A. 300
B. 100200
C. β100β + β200β
D. ‘100 + 200β
Answer:- B
5.What will be the output of the following code snippet?
num_1= ‘100
num_2 = ‘200
print(num_1 + num_2)
num_1 = int (num_1)
num_2 = int (num_2)
print(num_1 + num_2)
A. 300
B. 100200
C. β100β + β200β
D. ‘100 + 200β
Answer:- A
6. What is the type of the following expression? 1 + 4 / 2
A. int
B. float
C. bool
D. str
Answer:- B
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7. What is the type of the following expression?
A. str
B. bool
C. True
D. False
Answer:- C
8. What is the output of the following code snippet?
A. 32
B. 44
C. 40
D. 36
Answer:- C
9. Which of the arithmetic operators given below cannot be used with βstringsβ in Python?
A. *
B. –
C. +
D. All of the above
Answer:- B
10. Consider the list of instructions and resulting outputs given below. Pick the set that is incorrect.
A. 4
B. 2
C. 1, 3
D. 1, 3, 4
E. All are correct
Answer:- B
11. Two variables Xand Y were assigned the following values initially: X = 3 and Y = 6. Which of the following statements will help swap the values between these two variables?
A. Y = X
X = Y
B. X = Y
C. X = Y
Y = X
D. X, Y = Y, X
Answer:- D
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NPTEL Python for Data Science Assignment 1 Answers 2022 [July-Dec]
Q1. What is the output of the following code?
num1 = 12
num2 "58"
print(num1 + num2)- 12
- 58
- 70
- Error: Invalid operation, unsupported operator β+β used between ‘int’ and ‘strβ
Answer:- d
2. Given two variables j = 6 and g = 3.3. If both normal division and floor division operators were used to divide j by g, what would be the data type of the value obtained from the operations?
a. int, int
b. float, float
c. float, int
d. int, float
Answer:- b
3. Let a = 5 (101 in binary) and b = 3 (011 in binary). Which of the following operations results in the values 7 and 1?
Answer:- b
4. State whether the given statement is True or False.
When using the floor division operator (//), if the result is negative, then the result is rounded off to the next largest integer.
a. True
b. False
Answer:- b
5. Let x = “50”. Which of the following commands converts the βxβ to float datatype?
a. str(float,x)
b. x.float()
c. float(x)
d. Cannot convert a string to float datatype
Answer:- c
6. Which of the following variable names are INVALID in Python?
a. 1_variable
b. variable_1
c. variable_*
d. variable1
Answer:- a, c
πFor Week 02 Assignment Answersπ
7. Which of the following variable assignments would throw an error?
a. var1=True; var2=False;
b. var1=false; var2=true;
c. var1=’True’; var2=’False’;
d. var1=’true’; var2=’false’;
Answer:- b
8. Predict the output of the following code
x=4
y-11
p 5.0
ans x**(y % p)
print(ans)a. 4
b. 4.0
c. 5
d. 4.1
Answer:- b
9. The value of the variable result after running the code snippet below is ____
num-20.5
z-3
result-2+:*3+num/lz
print(result)- a. 89.0
- b. 17.0
- c. 737.0
- d. 96.0
Answer:- b
10. Which Python library is commonly used for data wrangling and manipulation?
a. Numpy
b. Pandas
c. scikit
d. Math
Answer:- b
About Python For Data Science
The course aims at equipping participants to be able to use python programming for solving data science problems.
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of average of best 3 assignments out of the total 4 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100
Final score = Average assignment score + Exam score
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
NPTEL Python for Data Science Assignment 1 Answers 2022 [Jan-June]
Q1. Which of the arithmetic operators given below cannot be used with βstringsβ in Python?
(A) β
(B) β
(C) +
(D) All of the above
Answer:- (C) +
Q2. When the following statement is executed, what type of error is obtained?
(A) Type Error
(B) Syntax Error
(C) Value Error
(D) None of the above
Answer:- (B) Syntax Error
Q3. Two variables X and Y were assigned the following values initially. X = 3 and Y = 6. Which of the following statements will help swap the values between these two variables?
(A) Y = X
X = Y
(B) X = Y
(C) X = Y
Y = X
(D) X, Y = Y, X
Answer:- (D) X, Y = Y, X
Q4. From the following set of statements, what will be the value of variable y in the final print statement?
(A) 8
(B) 9
(C) 1
(D) Error
(E) 16
Answer:- (C) 1
Q5. Consider j = 5 and k = 11. We change the values from j = 7 and k remains constant.
What is print(j|k) before and after modification of value in variable j?
(A) 3,15
(B) 15,15
(C)11,15
(D) 15,7
(E) None of the above
Answer:- (B) 15,15
Q6. What would be the output of the following statements?
(A) False
(B) True
(C) Not True
(D) None of the above
Answer:- (B) True
Q7. What does k = 4%7 evaluate to and what is the type of variable k?
(A) 4,int
(B) 0.0,float
(C) 0,int
(D) 1,int
(E) None of the above
Answer:- (A) 4,int
Q8. j = 6 and g = 3.3. If normal division and floor division was done between j and k, what would be the type of the resultant variable?
(A) int,int
(B) float,float
(C) float,int
(D) int,float
(E) None of the above
Answer:- (B) float,float
Q9. Consider two answers to a question; answer1 and answer2. What is the output of the following set of statements?
(A) True
(B) False
(C) 0
(D) 1
Answer:- For Answer Click here
Q10. Consider the list of instructions and resulting outputs given below. Pick the set that is incorrect.
(A) 4
(B) 2
(C) 1,3,4
(D) 3,4
(E) All are correct
Answer:- For Answer Click here
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NPTEL Python for Data Science Assignment 1 Answers 2022:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
Disclaimer:- We do not claim 100% surety of solutions, these solutions are based on our sole expertise, and by using posting these answers we are simply looking to help students as a reference, so we urge do your assignment on your own.
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