Add function PrintMap() in Go

codes/go/chapter_hashing/hash_map_test.go

@@ -7,6 +7,8 @@ package chapter_hashing
 import (
 	"fmt"
 	"testing"
+
+	. "github.com/krahets/hello-algo/pkg"
 )
 
 func TestHashmap(t *testing.T) {
@@ -21,9 +23,7 @@ func TestHashmap(t *testing.T) {
 	mapp[13276] = "小法"
 	mapp[10583] = "小鸭"
 	fmt.Println("\n添加完成后，哈希表为\nKey -> Value")
-	for key, value := range mapp {
+	PrintMap(mapp)
-		fmt.Printf("%d -> %s\n", key, value)
-	}
 
 	/* 查询操作 */
 	// 向哈希表输入键 key ，得到值 value
@@ -34,9 +34,7 @@ func TestHashmap(t *testing.T) {
 	// 在哈希表中删除键值对 (key, value)
 	delete(mapp, 10583)
 	fmt.Println("\n删除 10583 后，哈希表为\nKey -> Value")
-	for key, value := range mapp {
+	PrintMap(mapp)
-		fmt.Printf("%d -> %s\n", key, value)
-	}
 
 	/* 遍历哈希表 */
 	// 遍历键值对 key->value

codes/go/pkg/print_utils.go

@@ -1,6 +1,6 @@
 // File: print_utils.go
 // Created Time: 2022-12-03
-// Author: Reanon (793584285@qq.com), Krahets (krahets@163.com)
+// Author: Reanon (793584285@qq.com), Krahets (krahets@163.com), msk397 (machangxinq@gmail.com)
 
 package pkg
 
@@ -96,3 +96,10 @@ func showTrunk(t *trunk) {
 	showTrunk(t.prev)
 	fmt.Print(t.str)
 }
+
+// PrintHashMap Print a hash map
+func PrintMap(m map[int]string) {
+	for key, value := range m {
+		fmt.Printf("%d -> %s\n", key, value)
+	}
+}

codes/python/chapter_hashing/array_hash_map.py

@@ -39,7 +39,7 @@ class ArrayHashMap:
     """ 删除操作 """
     def remove(self, key):
         index = self.hashFunc(key)
-        # 置为空字符，代表删除
+        # 置为None，代表删除
         self.bucket[index] = None
 
     """ 获取所有键值对 """