import pandas as pd
df = pd.read_csv('csv.csv', index_col=False)
df['Date'] = pd.to_datetime(df['Date']).dt.strftime('%d/%m/%Y')
df.sort_values('Date', inplace=True)
df.to_csv('result.csv', index=False)
from datetime import datetime
data = sorted(data, key = lambda row: datetime.strptime(row[0], "%d-%b-%y"))