32 lines
440 B
Go
32 lines
440 B
Go
package main
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import "fmt"
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func main() {
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nums := []int{2, 3, 4}
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sum := 0
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for _, num := range nums {
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sum += num
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}
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fmt.Println("sum:",sum)
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for i,num := range nums {
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if num == 3 {
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fmt.Println("index:",i)
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}
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}
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kvs := map[string]string{"a":"apple", "b":"banana"}
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for k, v := range kvs {
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fmt.Printf("%s -> %s\n", k, v)
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}
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for k := range kvs {
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fmt.Println("key:", k)
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}
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for i,c := range "go" {
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fmt.Println(i,c)
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}
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}
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