i have used the codes below in jupyter but getting the errors as indicated:

.............................Codes..........................................

from clr import AddReference
AddReference("System")
AddReference("QuantConnect.Common")
AddReference("QuantConnect.Research")
AddReference("QuantConnect.Indicators")
from System import *
from QuantConnect import *
from QuantConnect.Data.Market import TradeBar, QuoteBar
from QuantConnect.Research import *
from QuantConnect.Indicators import *
from datetime import datetime, timedelta
import matplotlib.pyplot as plt
import pandas as pd

# Create an instance
qb = QuantBook()

df = qb.History(qb.Securities.Keys, 30, Resolution.Daily)
print(df)

...........................................Errors.........................................

ModuleNotFoundError Traceback (most recent call last)
<ipython-input-1-aa9d302cbf0c> in <module>
----> 1 from clr import AddReference
2 AddReference("System")
3 AddReference("QuantConnect.Common")
4 AddReference("QuantConnect.Research")
5 AddReference("QuantConnect.Indicators")

ModuleNotFoundError: No module named 'clr'