Imports of example command

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/uber-go/tally
github.com/uber-go/tally/prometheus
math/randPackage rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
net/httpPackage http provides HTTP client and server implementations.
timePackage time provides functionality for measuring and displaying time.