Function that returns true if a straight line is possible
def isPossible ( x , y , z ) : NEW_LINE INDENT a = x * x + y * y + z * z NEW_LINE a = round ( a , 8 ) NEW_LINE if ( ceil ( a ) == 1 & floor ( a ) == 1 ) : NEW_LINE INDENT return True NEW_LINE DEDENT return False NEW_LINE DEDENT