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What is the output of the code:mylist =[0, 5, 2, 0, 'codetantra', '', []]print(list(filter(bool, mylist)))Options[0, 0, ]Error[5, 2, 'codetantra'][0, 5, 2, 0, ‘codetantra’, ”, []]

Question

What is the output of the code:mylist =[0, 5, 2, 0, 'codetantra', '', []]print(list(filter(bool, mylist)))Options[0, 0, ]Error[5, 2, 'codetantra'][0, 5, 2, 0, ‘codetantra’, ”, []]

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Solution

The output of the code will be [5, 2, 'codetantra'].

Here's the step by step explanation:

  1. The filter() function in Python takes in a function and a list as arguments. This function is used to filter out the elements of a sequence.

  2. The bool() function converts a value to Boolean (True or False) using the standard truth testing procedure.

  3. In this case, filter(bool, mylist) is used. This means that the filter() function will filter out all the elements in mylist that return False when passed to the bool() function.

  4. The bool() function returns False for the following values: None, False, zero of any numeric type, any empty sequence (for example, '', (), []), and any empty mapping (for example, {}).

  5. Therefore, the elements 0, '', and [] in mylist will be filtered out because they return False when passed to the bool() function.

  6. The remaining elements (5, 2, 'codetantra') return True when passed to the bool() function, so they are included in the output list.

  7. So, the final output of the code will be [5, 2, 'codetantra'].

This problem has been solved

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