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Python Test Answers Spoken Tutorial Quiz Answers:-

Python Test Answers Spoken Tutorial Quiz Answers:- We have provided 34 Questions and Answers of Python Test. Spoken Tutorial Provides certificate only if you passed the aggregate percentage fixed by Spoken Tutorial.

Spoken Tutorial – Python Test Answers

Q1. What will be the output of following?

x = ‘abcd’
for i in range(len(x)):
print(x[i])
  • (A) None of them
  • (B) a b c d
  • (C) error
  • (D) a
Ans:-  (B) a b c d

Q2. Predict the output for ones_like([12, 13, 14, 15]) ?

  • (A) array([12, 13, 14, 15])
  • (B) array[12, 13, 14, 15]
  • (C) array([1, 1, 1, 1])
  • (D) array([1.0, 1.0, 1.0, 1.0])
Ans:-  (C) array([1, 1, 1, 1])

Q3. If a = [1, 1, 2, 3, 3, 6,6,4]. What is set(a)

  • (A) set([1, 2, 3, 3, 6,6])
  • (B) set([1, 2, 3, 6, 4])
  • (C) Error
  • (D) set([1, 1, 2, 3, 3, 6,6,4])
Ans:-  (B) set([1, 2, 3, 6, 4])

Q4. What is the output of the expression, 7*1**7 ?

  • (A) 7
  • (B) 49
  • (C) 1
  • (D) 343
Ans:-  (A) 7

Q5. Which of the following imports the odeint function.?

  • (A) import odeint from integration
  • (B) import odeint from scipy.integrate
  • (C) we can import from scipy import odeint
  • (D) from scipy.integrate import odein
Ans:-  (D) from scipy.integrate import odein

Q6. Which of the following functions does exactly the opposite of split() function ?

  • (A) concat()
  • (B) merge()
  • (C) join()
  • (D) None of them
Ans:-  (C) join()

Q7. How do you set the title as x^2-5x+6 in LaTeX style formatting?

  • (A) title(“x*2-5x+6”)
  • (B) title(“#x^2-5x+6#”)
  • (C) title(“x^2-5x+6”)
  • (D) title(“$x^2-5x+6$”)
Ans:- (D) title(“$x^2-5x+6$”)

Q8. Which of the following syntax is wrong?

  • (A) loglog(x, y, basex = e, basey = e)
  • (B) pie(obs, explode = explode_sample, labels = variables, colors = colors, autopct = 1.1f)
  • (C) scatter(x,y,c = “b”, mark = “^”, alpha = 0.5)
  • (D) bar([1,3,5,7,9],[2,4,6,8,10], label = “Sample 1”, color = ‘b’)
Ans:-  (B) pie(obs, explode = explode_sample, labels = variables, colors = colors, autopct = 1.1f)

Q9. The following function is used to integrate a system of ODEs.

  • (A) odeint
  • (B) None of the Above
  • (C) quad
  • (D) odepack
Ans:-  (A) odeint

Q10.Given the array, A = array([12, 15, 18, 21]), how do we access the element 18?

  • (A) A[18]
  • (B) A[3]
  • (C) A[0]
  • (D) A[2]
Ans:- (D) A[2]

Q11. What is the output of following?

print(“abcabcab”.split(‘c’, 0))
  • (A) Error
  • (B) ‘abcabcab’
  • (C) None of them
  • (D) [‘abcabcab’]
Ans:-  (D) [‘abcabcab’]

Q12. The function lstsq returns the least-squares solution to an equation?

  • (A) True
  • (B) False
Ans:- (A) True

Q13. How do you save a figure in png format with the name sine-curve?

  • (A) savefigure(‘sine-curve.png’)
  • (B) savefig(‘sine-curve.png’)
  • (C) save(‘sine-curve.png’)
  • (D) savefig(‘sine-curve’, ‘png’)
Ans:-  (B) savefig(‘sine-curve.png’)

Q14. To use the loadtxt command, each row should have the same number of values?

  • (A) True
  • (B) False

Ans:- (A) True

Q15. Consider the following statements. Which of the following are correct ?

1. diff(f(x),x,3), first differentiates f(x) and then computes the differentiated function at 3.
2. simply_trig(f) simplifies the trigonometric part of f(x)
3. f_integral() computes the integral of f(x)
4. f.substitute(theta = 45) computes the value of f(theta) at theta = 45
  • (A) 1, 2 and 4
  • (B) 4
  • (C) 1
  • (D) 1 and 4
Ans:-  (B) 4

Q16. Given odd = set([1, 3, 5, 7, 9])
squares = set([1, 4, 9, 16]).

What is the value of odd ^ squares?

  • (A) set([1, 3, 4, 5, 7, 9, 16])
  • (B) set([1, 3, 4, 5, 7, 9, 16])
  • (C) set([3, 5, 7])
  • (D) set([3, 4, 5, 7, 16])
Ans:-  (D) set([3, 4, 5, 7, 16])

Q17. Given strings s and t, s = "Hello" and t = "World" and an integer r, r = 2. What is the output of s * r + s * t?

  • (A) HelloHello WorldWorld
  • (B) HelloWorldHelloWorld
  • (C) HelloHelloWorldWorld
  • (D) Hello Hello World World
Ans:-  (C) HelloHelloWorldWorld

Q18. Which marker is used to get circles…?

  • (A) “^”
  • (B) “-“
  • (C) “–“
  • (D) “0”
Ans:- (D) “0”

Q19. If “a = [1, 1, 2, 3, 3, 5, 5, 8]“
What is set(a)?

  • (A) set([1, 2, 3, 5, 8])
  • (B) set([1, 1, 2, 3, 3, 5, 5, 8])
  • (C) set([1, 2, 3, 3, 5, 5])
  • (D) Error
Ans:-  (A) set([1, 2, 3, 5, 8])

Q20. What does ones_like() function do?

  • (A) Return an array of ones with the same shape as a given array
  • (B) Return an array of ones with the same type as a given array
  • (C) None of them
  • (D) Return an array of ones with the same shape and type as a given array
Ans:- (D) Return an array of ones with the same shape and type as a given array

Q21. What is the value assigned as index to the first element in a list?

  • (A) 0
  • (B) -1
  • (C) None of them
  • (D) 1
Ans:- (A) 0

Q22. Which command is used to clear the plot?

  • (A) clear()
  • (B) clr()
  • (C) closefig()
  • (D) clf()
Ans:- (D) clf()

Q23. How large can an integer in Python be?

  • (A) 2^32
  • (B) 2^32 for a 32-bit system and 2^64 for a 64-bit system
  • (C) None of the above
  • (D) Any Size
Ans:- (D) Any Size

Q24. What arithmetic operators cannot be used with strings ?

  • (A) +
  • (B) –
  • (C) All of them
  • (D) *
Ans:- (B) –

Q25. What is the output of following?

list = [1,2,3,4,5,6,7,8,9,10]
l = sum(list[::2])
print(l)
  • (A) 30
  • (B) 55
  • (C) 2
  • (D) 25
Ans:- (D) 25

Q26. I have a list sample_data = [1,2,3,4,5,6,7,8,9,10], and I want [1,4,9,16,25,36,49,64,81,100] from it. What should be the possible solution?

  • (A) sq(sample_data)
  • (B) sample_data.squared
  • (C) sqaure(sample_data)
  • (D) square(sample_data)
Ans:- (C) sqaure(sample_data)

Q27. Consider 4 statements. Which of the following is false regarding sage ?

1. It is an open source software.
2. we can evaluate a cell using Ctrl+Enter
3. To make a HTML editable cell, on the blue line click Shift and Enter.
4. sage has auto completion option of commands.
  • (A) line number 1, 2 and 3
  • (B) line number 1 and 3
  • (C) line number 1 and 2
  • (D) line number 2,3
Ans:- (D) line number 2,3

Q28. “x = array([1, 2, 3], [5, 6, 7])“ is a valid statement?

  • (A) True
  • (B) False

Ans:- (B) False

Q29. Indentation is not mandatory in Python?

  • (A) True
  • (B) False

Ans:- (B) False

Q30. What is the output of the following?

a = array([1,2,3,’string’])
print(a)
  • (A) Error
  • (B) 1 2 3 “string”
  • (C) 1 2 3 string
  • (D) None of them

Ans:- (A) Error

Q31. I made a .txt file containing squares of first 10 elements. Which of the following statements are correct ?

  • (A) It can be loaded by command squares  = loadtext(‘/home/fossee/squares.txt’) and printed by print squares. This prints a list of integers.
  • (B) It can be loaded by command squares = loadtxt(‘/home/fossee/squares.txt’) and printed by print squares. This prints a list of floating objects.
  • (C) It can be loaded by command squares = load.text(‘/home/fossee/squares.txt’) and printed by print(squares). This prints a list of floating objects.
  • (D) It can be loaded by command squares = load.txt(‘/home/fossee/squares.txt’) and printed by print’squares’. This prints a list of floating objects.
Ans:- (B) It can be loaded by command squares = loadtxt(‘/home/fossee/squares.txt’) and printed by print squares. This prints a list of floating objects.

Q32. What will be the output of the below code?

list1 = [1, 2, 3]
list1.append([4, 5, 6])
print(len(list1))
  • (A) 5
  • (B) 6
  • (C) 3
  • (D) 4
Ans:- (D) 4

Q33. %hist command is used to

  • (A) To retrieve the commands which we used till now
  • (B) To retrieve the variables used till now
  • (C) None of them
  • (D) To make histograms
Ans:- (A) To retrieve the commands which we used till now

Q34. What should be the syntax if we want to flip coordinates of bar plot (variables on y and values in x )?
Select one:

  • (A) barh()
  • (B) bar(flip = True)
  • (C)bar(coord_flip = True)
  • (D) bary()
Ans:- (A) barh()

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