Python is a powerful programming language that offers a wide range of features to make code more readable and concise. One such feature is the ability to chain function calls together in a single line.

Let us briefly write an example and then explain it:

def add(a, b):
    return a + b

def subtract(a, b):
    return a - b

a, b = 4, 5
print((subtract if a > b else add)(a, b)) # 9
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