35 lines
849 B
Go
35 lines
849 B
Go
// 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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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import (
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"os"
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"strings"
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)
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// NOTE: You should always pass it at least one argument
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func main() {
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msg := os.Args[1]
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// it's important to calculate things only once
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// so, do not call the repeat function twice
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// calling it once is enough
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marks := strings.Repeat("!", len(msg))
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s := marks + msg + marks
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s = strings.ToUpper(s)
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// you can also type this program more concisely
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// like this:
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//
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// msg := strings.ToUpper(os.Args[1])
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// marks := strings.Repeat("!", len(msg))
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// fmt.Println(marks + msg + marks)
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}
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