35 lines
		
	
	
		
			688 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			688 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // For more tutorials: https://blog.learngoprogramming.com
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| //
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| // Copyright © 2018 Inanc Gumus
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| // Learn Go Programming Course
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| // License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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| //
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| 
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| package main
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| 
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| import (
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| 	"fmt"
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| 	"os"
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| 	"strconv"
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| )
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| 
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| // 🛑 DON'T DO THIS:
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| //     It's hard to read.
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| //     It's just an exercise.
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| 
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| func main() {
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| 	if len(os.Args) != 2 {
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| 		fmt.Println("Requires age")
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| 		return
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| 	} else if age, err := strconv.Atoi(os.Args[1]); err != nil || age < 0 {
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| 		fmt.Printf(`Wrong age: %q`+"\n", os.Args[1])
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| 		return
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| 	} else if age > 17 {
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| 		fmt.Println("R-Rated")
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| 	} else if age >= 13 && age <= 17 {
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| 		fmt.Println("PG-13")
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| 	} else if age < 13 {
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| 		fmt.Println("PG-Rated")
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| 	}
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| }
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