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​​Session 4: Exercise

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​​EXERCISE 1

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• ​​Create a Class that represents a Contact​. Contacts will have names and phone numbers.  Take those values in via an initializer.

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• ​​Create a dial​ method on Contact​ that will output the name and number of the person being dialed.

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​​EXERCISE 2

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​​Create a second class Phone​ to represent a phone. Implement:

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• ​​add_contact​ which will take in a name​ and number​ and place the number into a Hash by name​ (this has has keys which are name​ (a String​) and values which are of type Contact​)

• ​​dial​ which takes in a name​ and finds the contact, calling dial​ on it once found.

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