Load OHLCV data from csv file to a dataframe with given datetime range

loadCsvOhlcvData.py

import pandas as pd
import datetime as dt

startDateTime="2019-01-01"
endDateTime="2021-04-13"

# Get Data
df=pd.read_csv('myfile.csv')
# "Date" loaded as str, converted to datetime
df["Date"]=df["Date"].apply(lambda s: dt.datetime.strptime(s,"%Y-%m-%d"))   
# "Date" loaded as column, changed to index
df.set_index("Date", inplace=True)    
# Retain data only within range
df=df[ (df.index.date>=dt.datetime.strptime(startDateTime,'%Y-%m-%d').date()) \
            & (df.index.date <= dt.datetime.strptime(endDateTime,'%Y-%m-%d').date()) ]    

print(df.head(10))
print(df.tail(10))