recoding/recode.go at main · dunnidev/recoding · GitHub

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package main

import (
	"fmt"
)

func main() {
	fmt.Println(caesarCipher("Hello, World!", 3))
}

func caesarCipher(s string, shift int) string {
	new := ""

	for _, char := range s {
		switch {
		case char >= 'a' && char <= 'z':
			x := 'a' + (char-'a'+rune(shift))%26
			new = new + string(x)
		case char >= 'A' && char <= 'Z':
			x := 'A' + (char-'A'+rune(shift))%26
			new = new + string(x)
		default:
			new = new + string(char)

		}

	}
	return new
}


// package main

// import (
// 	"fmt"
// 	"strings"
// )

// func main() {
// 	fmt.Println(wordFreq("go is go"))
// }

// func wordFreq(s string) map[string]int {
// 	word := make(map[string]int)
// 	for _, i := range strings.Fields(strings.ToLower(s)) {
// 		word[i]++
// 	}
// 	return word

// }


// package main

// import (
// 	"errors"
// 	"fmt"
// )

// func main() {
// 	fmt.Println(maxInSlice([]int{3, 1, 4, 1, 5, 9}))
// }

// func maxInSlice(nums []int) (int, error) {

// 	if len(nums) == 0 {
// 		return 0, errors.New("error")
// 	}

// 	n := nums[0]
// 	for i := 1; i <= len(nums[1:]); i++ {
// 		if nums[i] > n {
// 			n = nums[i]
// 		}
// 	}
// 	return n, errors.New("nil")
// }


// package main

// import (
// 	"fmt"
// 	"strings"
// )

// func main() {
// 	words := []string{"this", "is", "so", "exciting"}
// 	fmt.Println(uppercaseLastN(words, 2))
// }

// func uppercaseLastN(words []string, n int) []string {
// 	var result []string
// 	for i := 0; i < len(words); i++ {
// 		if i >= len(words)-n {
// 			result = append(result, strings.ToUpper(words[i]))
// 			continue
// 		}
// 		result = append(result, words[i])
// 	}
// 	return result
// }


package main

import (
	"fmt"
	"strings"
)

func main() {
	fmt.Println(isPalindrome("racecar"))  // true
	fmt.Println(isPalindrome("Go"))       // false
	fmt.Println(isPalindrome("RaceCar"))  // true
	fmt.Println(isPalindrome(""))         // true
	fmt.Println(isPalindrome("a"))        // true
}

func isPalindrome(s string) bool {
	s = strings.ToLower(s)
	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
		if s[i] != s[j] {
			return false
		}
	}
	return true
}


package main

import (
	"fmt"
	"strings"
)

func main() {
	fmt.Println(fixQuotes("' awesome '"))            // 'awesome'
	fmt.Println(fixQuotes("' hello world '"))        // 'hello world'
	fmt.Println(fixQuotes("say ' hi ' to ' me '"))   // say 'hi' to 'me'
	fmt.Println(fixQuotes("no quotes here"))         // no quotes here
}

func fixQuotes(s string) string {
	parts := strings.Split(s, "'")
	for i := 1; i < len(parts); i += 2 {
		parts[i] = strings.Join(strings.Fields(parts[i]), " ")
	}
	return strings.Join(parts, "'")
}