what parse date do in pandas code example

Example 1: date parser python pandas

mydateparser = lambda x: pd.datetime.strptime(x, "%Y %m %d %H:%M:%S")
df = pd.read_csv("file.csv", sep='\t', names=['date_column', 'other_column'], parse_dates=['date_column'], date_parser=mydateparser)

Example 2: date parser python pandas

import pandas as pd

values = {'dates':  ['02Sep2019','13Sep2019','21Sep2019'],
          'status': ['Opened','Opened','Closed']
          }

df = pd.DataFrame(values, columns = ['dates','status'])

df['dates'] = pd.to_datetime(df['dates'], format='%d%b%Y')

print (df)
print (df.dtypes)