How do you concatenate two arrays in Python?OptionsUsing the append() methodUsing the + operatorUsing the pop() methodUsing the push() method
Question
Solution
You can concatenate two arrays in Python using the + operator. Here are the steps:
- Define the first array. For example: array1 = [1, 2, 3]
- Define the second array. For example: array2 = [4, 5, 6]
- Use the + operator to concatenate the two arrays. For example: array3 = array1 + array2
The append() method is used to add an element to the end of an array, not to concatenate two arrays. The pop() method is used to remove an element from an array. The push() method is not a built-in method in Python.
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Which of the following methods is used to append an element to the end of an array in Python?Optionsappend()add()extend()insert()
Which JavaScript method is used to add new items to the end of an array? *pop()concat()push()splice()
What will be the output of the given code?lis_1= [1,2,3]lis_2= [4,5,6]lis_3=[7,8,9]lis_1.append(lis_3)lis_2.extend(lis_3)print(lis_1,lis_2)
Write the output?import numpy as np a = np.array( [1 ,2 , 3])b = np.append(a , [4, 5, 6])print( b, len(b) )
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