abs() is a built-in function in Python 3, to compute the absolute value of any number. It takes one argument x. The argument can even be a complex number, and in that case its modulus is returned.

It takes one argument x - an integer, or decimal, or a complex number.

The return value would be a positive number. Even if complex number is passed, it would return its magnitude, computed as per complex number algebra.

print(abs(3.4)) # prints 3.4
print(abs(-6)) # prints 6
print(abs(3 + 4j)) # prints 5, because |3 + 4j| = 5

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