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I am currently working on DES implementation.In one part of the code I have to append array to an array.Below is my code:
C0=[1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1] def Fiestel(): C=[] C.append(C0) temp=[0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1] C.append(temp) print(C) Fiestel() How do I append an array to an existing array.I even tried declaring C as 2d array.Thankx in advance for helping.
Each element is an array itself.
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To append one array to another, use the push() method on the first array, passing it the values of the second array. The push method is used to add one or more elements to the end of an array. The method changes the contents of the original array. Copied!
How to concatenate NumPy arrays in Python? You can use the numpy. concatenate() function to concat, merge, or join a sequence of two or multiple arrays into a single NumPy array. Concatenation refers to putting the contents of two or more arrays in a single array.
We can create an array using the Array module and then apply the append() function to add elements to it.
you need to do: array = array[] in order to define it, and then: array. append ["hello"] to add to it.
You can append the elements of one list to another with the "+=" operator. Note that the "+" operator creates a new list.
a = [1, 2, 3] b = [10, 20] a = a + b # Create a new list a+b and assign back to a. print a # [1, 2, 3, 10, 20] # Equivalently: a = [1, 2, 3] b = [10, 20] a += b print a # [1, 2, 3, 10, 20] If you want to append the lists and keep them as lists, then try:
result = [] result.append(a) result.append(b) print result # [[1, 2, 3], [10, 20]] If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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