Test case 1:
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Write n: 983
The proper divisors of 983 are 1, 983
983 is a prime number
983 is not a beautiful number
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Test case 2:
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Write n: 8128
The proper divisors of 8128 are 1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 
8128 is a composite number
8128 is a beautiful number
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Test case 3:
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Write n: 4096
The proper divisors of 4096 are 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 
4096 is a composite number
4096 is not a beautiful number
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Evaluation guidelines:

3 marks each for successful run of each test case (total 9)
7 marks each for logical correctness of each part (total 7)
2 marks for indentation
1 marks for comments
1 mark for accurately following naming the instructions like naming convention of the file etc.