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Goal: Learn to use mutators and accessors to change stateful objects. ( Python ) Assignment: Assume the Locker class already exists. The class has an
Goal: Learn to use mutators and accessors to change stateful objects. Python
Assignment: Assume the Locker class already exists. The class has an attribute called code that stores the locker passcode when it's locked. It also implements:
a method changecode that allows to change said attribute, taking two string parameters, the first should equal the current code, the second being the new code. If and only if the first parameter is equal to code, the code is updated;
a method unlock that takes one parameter, unlocking the locker if the parameter equals the code.
Assume also the variable mylocker refers to a Locker object. Write a statement that changes mylocker's code from to then unlocks the locker.
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