1 point

You joke, but I’ve seen a programming language that didn’t have a loop, and if you copied a line of text and pasted it in a text editor, JSON would come out…

The editor could barely handle 400+ lines because it probably converted the text to JSON, added a letter and converted it back to JSON… Per inserted symbol…

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5 points
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3 points

I would love it if someone edited this example and posted it with two statements near the end that are reversed, implying inconsistent behaviour at random in the list ahead, seemingly making this solution less inefficient.

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18 points
*

Programming humor on reddit used to be excellent bits like this but then it devolved into new learners jumping straight to the irony they didn’t understand and flooded the sub with nonsense.

I miss these bits.

btw it does get easier

import math
def is_even(num):
    if num in [i for i in range(1000) if float(i)/2.0 == math.floor(float(i)/2.0)]:
        print("true")
    else:
        print("false")

Obviously one would need to increase the range for bigger numbers but this code is optimized.

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4 points

for i in itertools.count(): ... will count to infinity.

Better make it into a dictionary so it’s O(1) complexity instead of O(n) while you’re at it.

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15 points
*
def is_even(n):
    match n:
        case 1:
            return False
        case 0:
            return True
        # fix No1
        case n < 0:
            return is_even(-1*n)
        case _:
            return is_even(n-2)
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5 points

Python added match/case?! Bunch of mypy issues have been closed too. Maybe its time to dust off some old projects.

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3 points

It was added in 3.10 and is surprisingly complete. The tutorial pep is a good starting point to see what it can accomplish

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3 points

Well… At least it’s tail recursive.

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2 points

What if the input is negative

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4 points

Fixed!

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