medium go 03 map-ok.go

package main

func main() {
	var marks = map[string]int{}
	marks["sakeef"] = 95
	marks["oishie"] = 82
	marks["robin"] = 61
	marks["mim"] = 43
	
	delete(marks, "sakeef")
	var v int
	var ok bool
	v, ok = marks["sakeef"] 
	println("sakeef", v, ok) // sakeef 0 false
	v, ok = marks["oishie"]
	println("oishie", v, ok) // oishie 82 true
	v, ok = marks["robin"]
	println("robin", v, ok) // robin 61 true
	v, ok = marks["mim"]
	println("mim", v, ok) // mim 43 true
	v, ok = marks["antu"]
	println("antu", v, ok) // antu 0 false
	v, ok = marks["alice"]
	println("alice", v, ok) // alice 0 false
}