A simple map program in Golang on how to use it properly.
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Program Listing
package main
import "fmt"
func main() {
grades := make(map[string]float32)
grades["john"] = 42
grades["peter"] = 55
grades["luke"] = 45
fmt.Println(grades)
JohnGrade := grades["john"]
fmt.Println(JohnGrade)
delete(grades,"john")
fmt.Println(grades)
grades["john"] = 55
grades["john"] = 65
for k,v := range grades {
fmt.Println(k,v)
}
// remove var if using :=
ages := make(map[string]float32) // need to do make since its nil
ages["jude"] = 10
fmt.Println(ages)
}
