5. Given 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?
Q4. Which of the following variable names are INVALID in Python? 1_variable variable_1 variable1 variable#
Answer: [A, D] 1_variable, variable#
These are Python for Data Science NPTEL Week 1 Assignment Answers
Q5. 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: Syntax error
Q6. Let x = “Mayur”. Which of the following commands converts the ‘x’ to float datatype? str(float,x) x.float() float(x) Cannot convert a string to float data type
Answer: Cannot convert a string to float data type
These are Python for Data Science NPTEL Week 1 Assignment Answers
Q7. Which Python library is commonly used for data wrangling and manipulation? Numpy Pandas scikit Math
Answer: Pandas
Q8. Predict the output of the following code. 12.0 12 11.667 11
Answer: 12
Q9. 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: float, float
Q10. 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: 1
These are Python for Data Science NPTEL Week 1 Assignment Answers
Q1. 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
Q2. What does 5%11 will evaluate to a. 1 b. 5 c. 0 d. Syntax error
Answer: b. 5
Q3. What does 4//7 evaluate to a. 0 b. 1 c. 0.0 d. 4
Answer: a. 0
These are Python for Data Science NPTEL Week 1 Assignment Answers
Q4. What will be the output of the following code snippet? a. 300 b. 100200 c. ‘100’ + ‘200’ d. ‘100 + 200’
Answer: b. 100200
Q5. What will be the output of the following code snippet? a. 300 b. 100200 c. ‘100’ + ‘200’ d. ‘100 + 200’
Answer: a. 300
Q6. What is the type of the following expression? 1 + 4 / 2 a. int b. float c. bool d. str
Answer: b. float
These are Python for Data Science NPTEL Week 1 Assignment Answers
Q7. What is the type of the following expression? [1] (1 > 0) and (-1 < 0) and (1 == 1) a. str b. bool c. True d. False
Answer: c. True
Q8. What is the output of the following code snippet? a. 32 b. 44 c. 40 d. 36
Answer: c. 40
Q9. Which of the arithmetic operators given below cannot be used with ‘strings’ in Python? a. * b. – c. + d. All of the above
Answer: b. –
Q10. 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. 2
Q11. 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. X, Y = Y, X
These are Python for Data Science NPTEL Week 1 Assignment Answers
Python for Data Science NPTEL Week 1 Assignment Answers (Jul-Dec 2022)
Q1. What is the output of the following code?
num1 = 12
num2 "58"
print(num1 + num2)
a.12 b.58 c.70
d.Error: Invalid operation, unsupported operator ‘+’ used between ‘int’ and ‘str’
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
These are Python for Data Science NPTEL Week 1 Assignment Answers
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 ‘x’ 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
These are Python for Data Science NPTEL Week 1 Assignment Answers
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’;
