Benchmark: timing 5000000 iterations of here docs, print...
 here docs: 21 wallclock secs (19.04 usr +  0.95 sys = 19.99 CPU) @ 250150.09/s (n=5000000)
     print: 44 wallclock secs (40.69 usr +  1.26 sys = 41.95 CPU) @ 119189.51/s (n=5000000)
Benchmark: timing 5000000 iterations of here docs, print...