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Add custom borders to a matrix in Python
When it is required to add custom borders to the matrix, a simple list iteration can be used to add the required borders to the matrix.
Example
Below is a demonstration of the same
my_list = [[2, 5, 5], [2, 7, 5], [4, 5, 1], [1, 6, 6]] print("The list is :") print(my_list) print("The resultant matrix is :") border = "|" for sub in my_list: my_temp = border + " " for ele in sub: my_temp = my_temp + str(ele) + " " my_temp = my_temp + border print(my_temp)
Output
The list is : [[2, 5, 5], [2, 7, 5], [4, 5, 1], [1, 6, 6]] The resultant matrix is : | 2 5 5 | | 2 7 5 | | 4 5 1 | | 1 6 6 |
Explanation
A list of list is defined and is displayed on the console.
A value for the ‘border’ is defined.
The list is iterated over, and this border is concatenated to a space.
The elements are iterated over and this border is concatenated with them.
This is displayed as result on the console.
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