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M3 R5: Programming and Problem Solving through Python

File Processing in Python

Set 6

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1 What will be the output of the following ? import numpy as np a = np.arange(1,5,2) print(a)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.arange(1,5,2) print(a)

[1 3 5]

[1 3]

[1,3]

[1,2,3,4,5]

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2 What will be the output of the following ? import numpy as np a = np.arange(5,1) print(a)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.arange(5,1) print(a)

[ ]

[1 2 3 4 5]

[5 4 3 2 1]

[1 2 3 4]

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3 What will be the output of the following ? import numpy as np a = np.arange(1,3,.5) print(a)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.arange(1,3,.5) print(a)

[1 2 3]

[1. 1.5 2. 2.5]

[1. 1.5 2. 2.5 3]

[1 1.5 2 2.5 3]

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4 What will be the output of the following ? import numpy as np a=np.array([2,4]) b=np.array([3,5]) c=a*b print(c)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,4]) b=np.array([3,5]) c=a*b print(c)

[ 2 4 3 5]

[ 6 20]

[ 6 12 10 20]

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5 What will be the output of the following ? import numpy as np a=np.array([2,4,1]) b=np.array([3,5]) c=a+b print(c)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,4,1]) b=np.array([3,5]) c=a+b print(c)

[2 4 1 3 5 ]

[5 9 1]

ValueError

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6 What will be the output of the following ? import numpy as np a=np.array([2,4,1]) b=a a[1]=3 print(b)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,4,1]) b=a a[1]=3 print(b)

[2 4 1]

[3 4 1]

[2 3 1]

[2 4 3]

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7 What will be the output of the following ? import numpy as np a=np.array([2,4,1]) b=a.copy() a[1]=3 print(b

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,4,1]) b=a.copy() a[1]=3 print(b

[2 4 1]

[2 3 1]

[3 4 1]

[2 4 3]

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8 NumPy arrays can be

NumPy ऐरे में क्या क्या हो सकता है

Indexed

Sliced

Iterated

All of the mentioned above

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9 Using ndim we can find

ndim का उपयोग करके हम पा सकते हैं

We can find the dimension of the array

Size of array

Operational activities on Matrix

None of the mentioned above

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10 What will be the output of following Python code? import numpy as np a = np.array([(10,20,30)]) print(a.itemsize)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.array([(10,20,30)]) print(a.itemsize)

All of the mentioned above

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11 Numpy developed by?

Numpy किसके द्वारा विकसित किया गया है?

Guido van Rossum

Travis Oliphant

Wes McKinney

Jim Hugunin

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12 Which of the following Numpy operation are correct?

निम्नलिखित में से कौन सा Numpy ऑपरेशन सही है?

Mathematical and logical operations on arrays.

Fourier transforms and routines for shape manipulation.

Operations related to linear algebra.

All of the above

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13 The most important object defined in NumPy is an N-dimensional array type called?

NumPy में परिभाषित सबसे महत्वपूर्ण एक ऑब्जेक्ट न डायमेंशन ऐरे का प्रकार है जिसे कहा जाता है?

ndarray

narray

nd_array

darray

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14 What is a correct syntax to create a NumPy array?

NumPy array बनाने के लिए सही सिंटैक्स क्या है?

np.array([4,5,6])

np.create_array([4,5,6])

np.createArray([4,5,6])

np.numpyArray([4,5,6])

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15 Which of the following arrays is a two dimensional (2-D) array?

निम्न में से कौन सा सरणियाँ द्विविमीय (2-डी) सरणी है?

[1,2,3,4]

[1,2,3],[3,4,5],[1,3,4]

[[2 3 5][ 4 5 6][4 5 6]]

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16 What is a correct syntax to check the number of dimensions in an array?

ऐरे में डायमेंशन की संख्या की जांच करने के लिए सही सिंटैक्स क्या है?

np.ndim(array_name)

array_name.ndim()

np.dim(array_name)

array_name.dim

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17 What is a correct syntax to print the first item of an array?

किसी ऐरे के पहले आइटम को प्रिंट करने के लिए सही सिंटैक्स क्या है?

print(arr[1])

print(arr,0)

print(arr,1)

None of These

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18 What is a correct syntax to print the number 8 from the array below: arr = np.array([[1,2,3,4,5], [6,7,8,9,10]])

नीचे दिए गए सरणी से संख्या 8 को प्रिंट करने के लिए सही सिंटैक्स क्या है: arr = np.array([[1,2,3,4,5], [6,7,8,9,10]])

print(arr[3,0])

print(arr[1,2])

print(arr[7,2])

None of The Above

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19 What is a correct syntax to print the numbers [3, 4, 5] from the array below: arr = np.array([1,2,3,4,5,6,7])

नीचे दी गई सारणी से संख्या [3, 4, 5] को प्रिंट करने के लिए सही सिंटैक्स क्या है: arr = np.array([1,2,3,4,5,6,7])

print(arr[2:4])

print(arr[2:5])

print(arr[2:6])

print(arr[3:6])

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20 Which syntax would print the last 3 numbers from the array below: arr = np.array([1,2,3,4,5,6,7])

नीचे दिए गए ऐरे से अंतिम 3 नंबर कौन सा सिंटैक्स प्रिंट करेगा: arr = np.array([1,2,3,4,5,6,7])

print(arr[3:])

print(arr[3])

print(arr[:3])

print(arr[4:])

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21 Which syntax would print every other item from the array below: arr = np.array([1,2,3,4,5,6,7])

कौन सा सिंटैक्स नीचे दिए गए सरणी से हर दूसरे आइटम को प्रिंट करेगा: arr = np.array([1,2,3,4,5,6,7])

print(arr[1:3:5:7])

print(arr[::2])

print(arr(0:step=2))

print(arr[2:2:2])

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22 which one is the correct syntax to create an array of type float?

फ्लोट प्रकार की सरणी बनाने के लिए सही सिंटैक्स क्या है?

arr=np.float([1,2,3,4])

arr=np.array([1,2,3,4]).toFloat()

arr=np.array([1,2,3,4],dtype='float')

arr=np.farray([1,2,3,4])

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23 What is a correct syntax to create an array of type float?

फ्लोट प्रकार की सरणी बनाने के लिए सही सिंटैक्स क्या है?

arr=np.array([1,2,3,4],dtype='float')

arr=np.array([1,2,3,4],dtype='f')

arr=np.array([1,2,3,4],dtype=float)

All of the above

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24 In NumPy, what does the SHAPE of an array mean?

NumPy में, सरणी के आकार का क्या अर्थ है?

the shape is the number of rows

the shape is the number of columns

the shape is the number of element in each dimension

Total number of elements in array

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25 What is a correct method to join two or more arrays?

दो या दो से अधिक सरणियों में शामिल होने का सही तरीका क्या है?

np.concatenate()

np.join()

np.array_join()

np.join_array()

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