Allé pour rétabler un peu les choses:

Maya:~ godzil$ time python -c 'print("Hello world!")'
Hello world!

real	0m0.026s
user	0m0.014s
sys	0m0.008s

Maya:~ godzil$ time python3 -c 'print("Hello world!")'
Hello world!

real	0m0.040s
user	0m0.028s
sys	0m0.006s

Maya:~ godzil$ time echo -e '#include <stdio.h>\nint main(void){puts("Hello world!");return 0;}\n' >hello.c && time gcc -O2 -fomit-frame-pointer -s hello.c -o hello && time ./hello

real	0m0.000s
user	0m0.000s
sys	0m0.000s
ld: warning: option -s is obsolete and being ignored

real	0m0.066s
user	0m0.041s
sys	0m0.013s
Hello world!

real	0m0.003s
user	0m0.001s
sys	0m0.001s