how to define map in golang code example

Example 1: create map golang

//map in go is a built in type implementaiton of has table
//create a empty map
myMap := make(map[string]string)
//insert key-value pair in map
myMap["key"] = "value"
//read from map
value, ok := myMap["key"]
//delete from map
delete(myMap, "key")

Example 2: what is the use of map in golang

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In Go language, a map is a powerful, ingenious, and a versatile data structure. Golang Maps is a collection of unordered pairs of key-value. It is widely used because it provides fast lookups and values that can retrieve, update or delete with the help of keys. It is a reference to a hash table.