# mp_printf
-123 +123  123
-0123
123
1ABCDEF
ab abc

false true
(null)
t
# vstr
tests
sts

test
tes
larg
# repl
ame__

__name__        path            argv            version
version_info    implementation  platform        byteorder
maxsize         exit            stdin           stdout
stderr          exc_info        print_exception
ementation
# attrtuple
(start=1, stop=2, step=3)