Question: Write a method called sum that returns the sum of all values in the list. For example, if a variable called list stores [11, 7,

Write a method called sum that returns the sum of all values in the list. For example, if a variable called list stores [11, –7, 3, 42, 0, 14], the call of list.sum() should return 63. If the list is empty, sum should return 0.

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