The answers to exercises 5 and 6 (Practice Session 2) can be found in this PDF file.
The answers to exercise 7 and to questions of Practice Session 3 can be found in this PDF file.
The answers to questions of Practice Session 4 can be found in this PDF file.
The answers to questions of Practice Session 5 and to exercise 8 can be found in this PDF file.
The answers to questions of Practice Session 6 can be found in this PDF file.
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The MCQ exam is here: PDF file.
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