Python : How to contrast contrast data-CodePudding

I don't know what is the term for this, but what get the closest to it is the process of contrasting an image.

Basically i have a list of values going from 0 to 100. I would like that values over 50 come closer to 100 and values under 50 come closer to 0.

for example :

[0, 23, 50,58,100]

would become something like this (roughly) :

[0, 10, 50, 69, 100]

is their a mathematic formula for this ?

CodePudding user response：

The following code might give you some ideas. If it doesn't meet your needs then you need to clearly explain just what those needs are.

def contrast(nums):
    contrasted = []
    for num in nums:
        if num < 50:
            contrasted.append(num//2)
        elif num > 50:
            contrasted.append((num   100)//2)
        else:
            contrasted.append(num)
    return contrasted

data = [0, 23, 50,58,100]
print(contrast(data))

Output: [0, 11, 50, 79, 100]