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17 lines
335 B
Go
17 lines
335 B
Go
package main
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import (
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"fmt"
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"strings"
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)
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func main() {
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str1 := "Hi, my dear friend!!!"
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str2 := strings.ToUpper(str1)
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fmt.Println(str2) // HI, MY DEAR FRIEND!!!
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fmt.Println(str1) // Hi, my dear friend!!!
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fmt.Println(strings.ToLower(str2)) // hi, my dear friend!!!
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fmt.Println(strings.ToTitle(str1)) // HI, MY DEAR FRIEND!!!
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}
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