Imports of package randutil

PathSynopsis
crypto/randPackage rand implements a cryptographically secure random number generator.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
ioPackage io provides basic interfaces to I/O primitives.
math/randPackage rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.