Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, π, (also known as τ).
For example:
c = closestconst(1.5)
c =
1.4142
c = closestconst(2.5)
c =
2.7183
c = closestconst(50)
c =
6.2832
c = closestconst(-10)
c =
0
If x is equally close to two values (eg ), you can return either value (so either 1 or would be correct in this example).
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Jose Alex Thomas Vishal

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