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Questions - operation

How do I raise list element in dict value to power of x?

I am a beginner in Python and have several exercises to resolve. One of these is: "Define a dictionary w/ keys "abc", "xyz" and values [1, 2, 3] and [9, 10, 11]; iterate over ...
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Catalin Agarbiceanu

python

function

dictionary

operation

Votes: 0

Answers: 5

Latest Answer

Since the index (or the power) stays constant, the magic method __rpow__ can be used to chain the operations: a**4 <--> int.__pow__(a, 4) <--> int.__rpow__(4, a) dex = {"abc":[1,...
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cards

Go back to the original number after the sum of values ​between two lists

I wrote this code to sum a number and its reverse: #sum the multiple of the first number and its reversed zipped_lists = zip(primo, reversedList) res = [x + y for (x, y) in zipped_lists] ...
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Andrea Valsesia

python

list

operation

Votes: 0

Answers: 1

Latest Answer

You need to keep track of x against its corresponding value of x + y. Instead of checking for the presence in secondo after you create res, you could do the filtering in a single comprehension. res = ...
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flakes

Misunderstood Operators Precedence in C

I was doing some exercises on the order of execution of operations in C and I came across a case that I did not quite understand. int d = 1; int e = d--/10; // the result of e will be 0; before c...
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Nimpo

c

operator-precedence

operation

arithmetic-expressions

Votes: 0

Answers: 2

Latest Answer

There's actually no difference. It uses d=1 and does a post-decrement in both cases. The reason you see an apparent difference is that you're doing integer division, which rounds towards 0. That is: (...
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Scott Leis

I can&#39;t figure out what is wrong with this function?

This is what it should return Returns True if all items are truthy. Examples: >>> all_true([1, True, 'oregonstate']) True >>> all_true([0, 1, 2]) False """ This is wh...
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Jack

python

function

operation

Votes: 0

Answers: 4

Latest Answer

Two problems. First, you are returning on the first True thing. In fact, you are returning either True or False on the first thing, regardless. Since you return on both the if and its else clauses, th...
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tdelaney

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