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											2019-05-05 00:41:44 +03:00
										 |  |  | // For more tutorials: https://blog.learngoprogramming.com | 
					
						
							|  |  |  | // | 
					
						
							|  |  |  | // Copyright © 2018 Inanc Gumus | 
					
						
							|  |  |  | // Learn Go Programming Course | 
					
						
							|  |  |  | // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ | 
					
						
							|  |  |  | // | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | package main | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | import ( | 
					
						
							|  |  |  | 	"fmt" | 
					
						
							|  |  |  | 	"os" | 
					
						
							|  |  |  | 	"sort" | 
					
						
							|  |  |  | ) | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | func main() { | 
					
						
							|  |  |  | 	houses := map[string][]string{ | 
					
						
							|  |  |  | 		"gryffindor": {"weasley", "hagrid", "dumbledore", "lupin"}, | 
					
						
							|  |  |  | 		"hufflepuf":  {"wenlock", "scamander", "helga", "diggory", "bobo"}, | 
					
						
							|  |  |  | 		"ravenclaw":  {"flitwick", "bagnold", "wildsmith", "montmorency"}, | 
					
						
							|  |  |  | 		"slytherin":  {"horace", "nigellus", "higgs", "bobo", "scorpius"}, | 
					
						
							|  |  |  | 		"bobo":       {"wizardry", "unwanted"}, | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
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											2019-05-05 00:47:55 +03:00
										 |  |  | 	// remove the "bobo" house | 
					
						
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											2019-05-05 00:41:44 +03:00
										 |  |  | 	delete(houses, "bobo") | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	args := os.Args[1:] | 
					
						
							|  |  |  | 	if len(args) < 1 { | 
					
						
							|  |  |  | 		fmt.Println("Please type a Hogwarts house name.") | 
					
						
							|  |  |  | 		return | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	house, students := args[0], houses[args[0]] | 
					
						
							|  |  |  | 	if students == nil { | 
					
						
							|  |  |  | 		fmt.Printf("Sorry. I don't know anything about %q.\n", house) | 
					
						
							|  |  |  | 		return | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	// only sort the clone | 
					
						
							|  |  |  | 	clone := append([]string(nil), students...) | 
					
						
							|  |  |  | 	sort.Strings(clone) | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	fmt.Printf("~~~ %s students ~~~\n\n", house) | 
					
						
							|  |  |  | 	for _, student := range clone { | 
					
						
							|  |  |  | 		fmt.Printf("\t+ %s\n", student) | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | } |