()
e=(x+y+z+1)**7;f=e*(e+1);f.expand()
e=(x+y+z+1)**7;f=e*(e+1);f.expand()
e = ( x + y + z + 1 ) ** 7 ; f = e * ( e + 1 ) ; f . expand ()
def bench_S1():
    "e=(x+y+z+1)**7;f=e*(e+1);f.expand()"
    e = (x + y + z + 1)**7
    f = e*(e + 1)
    f = f.expand()
def bench_S1 ( ) : e = ( x + y + z + 1 ) ** 7 f = e * ( e + 1 ) f = f . expand ( )