def var_swapping(a, b, c, d, e):
 (a, b) = (b, a)
 (c, d, e) = (e, c, d)
 return ((((a + b) + c) + d) + e)

def var_swapping ( a , b , c , d , e ) : ( a , b ) = ( b , a ) ( c , d , e ) = ( e , c , d ) return ( ( ( ( a + b ) + c ) + d ) + e )
label 0: a = arg [a] b = arg [b] c = arg [c] d = arg [d] e = arg [e] a .