| States: |
| Student |
| Course |
| Commands: |
|
|
|
|
|
| • | add a course |
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| • | ||||
| drop a course |
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| • | change the
address |
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| • | determine fees |
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|
|
|
|
|
| • | change the room
number |
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| • | set professor |
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| • | calculate the
number of |
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| seats available |
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