Exercise 5: Retrieve and Recombine Elements of an Array
Make a new array out of an existing one by combining certain elements of the array.
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Problem statement
You’re given the following array:
array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
Make a new array with the following output:
result = [2, 4, 6]
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def combine_elements(input_array)result = []# Start your code herereturn resultend
The given solution is inelegant, but it at least shows how we can use the value returned from an array lookup and immediately create a new array.
A more elegant solution to this uses the select method. However, we’ll need to learn more about methods and blocks before we’ll be able to fully understand it!
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Exercise 4: Replace an Element in the Array
Exercise 6: Reverse the Array
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