Implement the DBS Share Price Index System in Python as per Figure 2 below which allows users to add, delete, update and lookup Share Prices. The System should store the Company Name and Share Price. Your program should not allow users to add the same company more than once. On adding, deleting, updating or looking up a Share Price, your program should let the user know if the operation was successful or not. On looking up a Share Price return the Company Name and Share Price of the company; if the company is not found give the user the option to add the details they are looking up. The user can perform multiple actions; they can add a new entry and subsequently delete an entry without having to stop and start the program until they decide to quit

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Random Access

Random access is generally known as direct access. Random access is the capability to have access to any item from a given population of elements at random. Sequential access is the direct opposite of random access. In random access, the elements can be retrieved irrespective of the location. In order to move from point A to Z,  you can just jump to point Z in random access system. The disk is an example of random access.