diff --git a/main.js b/main.js
index 83d2e150..ac60f340 100644
--- a/main.js
+++ b/main.js
@@ -1,52 +1,202 @@
+
+axios.defaults.headers.common['X-Auth-Token']=
+'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c';
+
 // GET REQUEST
 function getTodos() {
-  console.log('GET Request');
+  // console.log('GET Request');
+  // axios({
+  //   method:'get',
+  //   url:'https://jsonplaceholder.typicode.com/todos',
+  //   params: {
+  //     _limit:5
+  //   }
+  // })
+  // .then(res=>showOutput(res))
+  // .catch(err=>console.log(err));
+  axios
+
+    .get('https://jsonplaceholder.typicode.com/todos?_limit:5'
+
+    )
+    .then(res => showOutput(res))
+    .catch(err => console.log(err));
 }
 
 // POST REQUEST
 function addTodo() {
-  console.log('POST Request');
+  // console.log('POST Request');
+
+  // axios({
+  //   method:'post',
+  //   url:'https://jsonplaceholder.typicode.com/todos',
+  //  data: {
+  //  title:'New Todo',
+  //  completed:false
+  //   }
+  // })
+  // .then(res=>showOutput(res))
+  // .catch(err=>console.log(err));
+
+  axios.post('https://jsonplaceholder.typicode.com/todos',
+    {
+      title: 'New Todo',
+      completed: false
+    }
+  )
+    .then(res => showOutput(res))
+    .catch(err => console.log(err));
 }
 
 // PUT/PATCH REQUEST
 function updateTodo() {
-  console.log('PUT/PATCH Request');
+  // console.log('PUT/PATCH Request');
+  //   axios.put('https://jsonplaceholder.typicode.com/todos/1',
+  //   {
+  //   title:'Updated Todo',
+  //   completed:true
+  //    }
+  //  )
+  //  .then(res=>showOutput(res))
+  //  .catch(err=>console.log(err));
+
+  axios.patch('https://jsonplaceholder.typicode.com/todos/1',
+    {
+      title: 'Updated Todo',
+      completed: true
+    }
+  )
+    .then(res => showOutput(res))
+    .catch(err => console.log(err));
 }
 
 // DELETE REQUEST
 function removeTodo() {
-  console.log('DELETE Request');
+  // console.log('DELETE Request');
+
+  axios.delete('https://jsonplaceholder.typicode.com/todos/1',
+  )
+    .then(res => showOutput(res))
+    .catch(err => console.log(err));
 }
 
 // SIMULTANEOUS DATA
 function getData() {
-  console.log('Simultaneous Request');
+  // console.log('Simultaneous Request');
+  axios.all([
+    axios.get('https://jsonplaceholder.typicode.com/todos?_limit=5'),
+    axios.get('https://jsonplaceholder.typicode.com/posts'),
+  ])
+    // .then(res=>{
+    // console.log(res[0]);
+    // console.log(res[1]);
+    // showOutput(res[1])
+    // })
+    .then(axios.spread((todos, posts) => showOutput(posts)))
+    .catch(err => console.error(err));
 }
 
 // CUSTOM HEADERS
 function customHeaders() {
-  console.log('Custom Headers');
+  // console.log('Custom Headers');
+
+  const config = {
+    headers: {
+      'Content-Type': 'application/jason',
+      Authorization: 'sometoken'
+    }
+  }
+  axios.post('https://jsonplaceholder.typicode.com/todos',
+    {
+      title: 'New Todo',
+      completed: false
+    }, config
+  )
+    .then(res => showOutput(res))
+    .catch(err => console.log(err));
+
 }
 
 // TRANSFORMING REQUESTS & RESPONSES
 function transformResponse() {
-  console.log('Transform Response');
+  // console.log('Transform Response');
+  const options = {
+    method: 'post',
+    url: 'https://jsonplaceholder.typicode.com/todos',
+    data: {
+      title: 'hello world'
+    },
+    transformResponse: axios.defaults.transformResponse.concat(data => {
+      data.title = data.title.toUpperCase();
+      return data;
+    })
+  };
+  axios(options).then(res => showOutput(res));
 }
 
 // ERROR HANDLING
 function errorHandling() {
-  console.log('Error Handling');
+  // console.log('Error Handling');
+  axios
+  .get('https://jsonplaceholder.typicode.com/todoss')
+  .then(res=>showOutput(res))
+  .catch(err=>{
+    if(err.response){
+      console.log(err.response.data);
+      console.log(err.response.status);
+      console.log(err.response.headers);
+     if(err.response.status===404){
+      alert('Error: Page Not Found')
+    }
+   }else if(err.request){
+     console.log(err.request);
+
+     }else{
+      console.log(err.message);
+     }
+  
+  });
 }
 
 // CANCEL TOKEN
 function cancelToken() {
-  console.log('Cancel Token');
+  // console.log('Cancel Token');
+  const source=axios.CancelToken.source();
+  axios
+  .get('https://jsonplaceholder.typicode.com/todos',{
+    cancelToken:source.token
+  })
+  .then(res=>showOutput(res))
+  .catch(thrown =>{
+    if (axios.isCancel(thrown)) {
+      console.log('Request Canceled',thrown.message)
+      
+    }
+  });
+  if(true){
+    source.cancel('Request Canceled!')
+  }
 }
 
 // INTERCEPTING REQUESTS & RESPONSES
 
+axios.interceptors.request.use(
+  config => {
+    console.log(
+      `${config.method.toUpperCase()} request send to ${config.url
+      }at ${new Date().getTime()}`
+    );
+    return config;
+  },
+  error => {
+    return Promise.reject(error);
+  }
+);
 // AXIOS INSTANCES
-
+const axiosInstance= axios.create({
+  baseURL:'https://jsonplaceholder.typicode.com'
+});
+// axiosInstance.get('/comments').then(res=>showOutput(res))
 // Show output in browser
 function showOutput(res) {
   document.getElementById('res').innerHTML = `