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Exercise 1: Write a function that takes one (numeric) argument and adds 1 to the provided number.
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Exercise 2: Extend the function to add any user specified number instead of only 1.
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Exercise 3: Improve the robustness of the function to validate that the argument are the correct type (e.g., in this case numeric).
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Exercise 4: Write meaningful error messages in case the a user tries to add a number to a character.
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Exercise 5: Write some tests for your function.
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Exercise 6: Write a for loop that returns numbers 1 to 5.
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Exercise 7: Write a for loop that concatenates numbers 1to 5 with a user specified prefix or suffix e.g.,
idea_1,idea_2,idea_3...