package main
import “fmt”
func main() {
//Definition map
a := make(map[int]string)
//Add
a[20190902] = “abc”
a[20190903] = “cde”
fmt.Println(a)
//Modify
a[20190902] = “aaa”
fmt.Println(a)
//Delete
delete(a, 20190902)
fmt.Println(a)
//Search
fmt.Println(a[20190903])
}
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