problem 57 initialization completed

Author: developer-shourav

problem57/problem.md

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+
+## Problem 57: 
+
+```
+let activities = {
+  activity1: [
+    {
+      name: "listen on spotify",
+      song_list: {
+        song_1: "abc",
+        song_2: "bcd",
+      },
+      id: 1,
+    },
+    {
+      name: "listen music through bot",
+
+      song_list: {
+        song_1: "wxy",
+        song_2: "xyz",
+      },
+      id: 2,
+    },
+  ],
+};
+```
+
+### How will you get the output
+
+1. `abc`
+2.  `xyz`
+
+
+
+problem provider : https://drive.google.com/file/d/1oRju8zbVD3O3oyntU0gPfW9-bp8R11lk/view

problem57/problem57.js

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+let activities = {
+  activity1: [
+    {
+      name: "listen on spotify",
+      song_list: {
+        song_1: "abc",
+        song_2: "bcd",
+      },
+      id: 1,
+    },
+    {
+      name: "listen music through bot",
+
+      song_list: {
+        song_1: "wxy",
+        song_2: "xyz",
+      },
+      id: 2,
+    },
+  ],
+};
+
+
+/* 
+How will you get the output
+abc
+xyz 
+*/