Define w* by the equation w* = π-w. Then ((−π)*)* =	Choose the correct choice from the following answers:
A) −2π
B) -1
C) −π
D) 2π
E) 4π
for w* f(f(−π)) = f(π − (−π)) = f(π + π) = f(2π) = π − 2π = −π=−π
<result>C</result>
Define w* by the equation w* = π-w. Then ((−π)*)* =