Update app.py

app.py

@@ -1,7 +1,17 @@
 from fastapi import FastAPI
+import requests
 
 app = FastAPI()
 
 @app.get("/")
 def greet_json():
     return {"Hello": "World!"}
+
+
+@app.get("/kline")
+def get_kline(symbol : str):
+    res = requests.get("https://api.binance.com/dapi/v1/klines?symbol="+symbol)
+    if res.status_code == 200:
+        return res.json()
+    return {"error":res.text}
+