Copy an array: code:

Output:

Add an element into an array: code:

Output:

Add a list at the end of the list: code:

Output:

Add a list at the end of the list: code:

Output:

Add a list at the end of the list: code:

Output:

Add a list at the end of the list: code:

Output:

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Display the coordinates of the points clicked on the image (both left and right clicks) and output to a csv file (left clicks): code:
         

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Print a row by searching a specific column in a csv file: code:
        

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Single options: code:          
         
Output 1:          
                  
Output 2:          
         
                  
Output 3:          
         
                  
Output 4: