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Sorting and Searching in Array
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Question 1
Which function in NumPy is used to sort an array?
np.sort()
np.order()
np.arrange()
np.sorted()
Question 2
What will be the output of the following code?
import numpy as np
arr = np.array([3, 1, 4, 1, 5])
print(np.sort(arr))
[3, 1, 4, 1, 5]
[1, 1, 3, 4, 5]
Error
[5, 4, 3, 1, 1]
Question 3
Which of the following functions sorts an array in-place?
np.sort()
np.argsort()
np.ndarray.sort()
np.sorted()
Question 4
What does the np.argsort() function return?
A sorted array
Indices that would sort the array
A boolean array indicating sorted positions
The sum of indices
Question 5
What will be the output of the following code?
import numpy as np
arr = np.array([30, 10, 20])
print(np.argsort(arr))
[0, 1, 2]
[1, 2, 0]
[2, 1, 0]
Error
Question 6
What will be the output of this code?
import numpy as np
arr = np.array([[8, 5, 6], [3, 7, 2]])
print(np.sort(arr, axis=1))
[[5, 6, 8]
[2, 3, 7]]
[[8, 5, 6]
[3, 7, 2]]
[[2, 3, 7]
[5, 6, 8]]
[[5, 6, 8]
[2, 3, 7]]
Question 7
Which function would you use to find the index of the first occurrence of a specific value in an array?
np.searchsorted()
np.where()
np.find()
np.index()
Question 8
What will np.searchsorted() return for the code below?
import numpy as np
arr = np.array([1, 3, 4, 6])
print(np.searchsorted(arr, 5))
2
3
4
Error
Question 9
What will np.searchsorted() return for the code below?
import numpy as np
arr = np.array([1, 3, 4, 6])
print(np.searchsorted(arr, 5))
2
3
4
Error
Question 10
What will be the output of this code?
import numpy as np
arr = np.array([1, 2, 3, 4, 5])
print(np.searchsorted(arr, [0, 3, 6]))
[0, 2, 5]
Error
[0, 3, 6]
[1, 3, 4]
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