fmt package - fmt - Go PackagesPackage fmt implements formatted I/O with functions analogous to C's printf and scanf. The format 'verbs' are derived from C's but are simpler. Printing ¶There are four families of printing functions defined by their output destination. Print, Println and Printf write to os.Stdout; Sprint, Sprintln and Sprintf return a string; Fprint, Fprintln and Fprintf write to an io.Writer; and Append, Appendl
