Implement CurrencyConverter

src/App.jsx

@@ -0,0 +1,55 @@
+//import React, { Component } from "react";
+ import Display from './Display';
+import Button from './Button';
+
+import { useState } from "react";
+
+function  euroToDollar (num) {
+  return (num * 1.0902).toFixed(2);
+}
+
+function euroToPfund (num)  {
+  return (num * 0.8782).toFixed(2);
+}
+
+function App () {
+ 
+  
+ const [money, setMoney]= useState(0);
+ const [convertedMoney, setConvertedMoney]= useState(0);
+
+
+    return (
+      <div>
+        {[10, 20, 50, 100, 200, 500].map(m => 
+          <Button key={m} myText={m+""} callBack={() => {
+          setMoney(m);
+          setConvertedMoney(m + " Euro");
+          }} />
+        )}
+
+       <Display value = {convertedMoney}/> 
+
+        <Button myText={"Dollar"} callBack={()=>{
+
+          setConvertedMoney(euroToDollar(money) + " $")
+        //  let schritt1 = money;
+        //  let schritt2 = euroToDollar(schritt1);
+         // let schritt3 = schritt2 + " $";
+        //  setConvertedMoney(schritt3);
+
+         // euroToDollar(setConvertedMoney);
+        }} />
+        <Button myText={"Pfund"} callBack={()=>{
+            setConvertedMoney(euroToPfund(money) + " Pf")
+        }} />
+        <Button myText={"Euro"} callBack={() => {
+          // null
+          setConvertedMoney((money) + " Euro")
+        }} />
+      </div>
+    );
+  }
+
+
+export default App;