diff --git a/part1/courseinfo/src/App.js b/part1/courseinfo/src/App.js
index a9f2790..3a8fa56 100644
--- a/part1/courseinfo/src/App.js
+++ b/part1/courseinfo/src/App.js
@@ -8,36 +8,38 @@ const Part = (props) => (
 
 const Content = (props) => (
   <div>
-  <Part part={props.part1.name} exercise={props.part1.exercises} />
-  <Part part={props.part2.name} exercise={props.part2.exercises} />
-  <Part part={props.part3.name} exercise={props.part3.exercises} />
+  <Part part={props.parts[0].name} exercise={props.parts[0].exercises} />
+  <Part part={props.parts[1].name} exercise={props.parts[1].exercises} />
+  <Part part={props.parts[2].name} exercise={props.parts[2].exercises} />
   </div>
 )
 
 const Total = (props) => (
-  <p>Number of exercises {props.total}</p>
+  <p>Number of exercises {props.parts[0].exercises + props.parts[1].exercises + props.parts[2].exercises}</p>
 )
 
 const App = () => {
   const course = 'Half Stack application development'
-  const part1 = {
-    name: 'Fundamentals of React',
-    exercises: 10
-  }
-  const part2 = {
-    name: 'Using props to pass data',
-    exercises: 7
-  }
-  const part3 = {
-    name: 'State of a component',
-    exercises: 14
-  }
+  const parts = [
+    {
+      name: 'Fundamentals of React',
+      exercises: 10
+    },
+    {
+      name: 'Using props to pass data',
+      exercises: 7
+    },
+    {
+      name: 'State of a component',
+      exercises: 14
+    }
+  ]
 
   return (
     <div>
       <Header course={course} />
-      <Content part1={part1} part2={part2} part3={part3}/>
-      <Total total={part1.exercises + part2.exercises + part3.exercises} />
+      <Content parts={parts}/>
+      <Total total={parts} />
     </div>
   )
 }