How to create pandas dataframe?
df=pd.DataFrame({'Dates' :[None, '2020-01-02', '2020-01-03', '2020-01-04', '2020-01-05', '2020-01-06'] ,\ 'ID': [1,2,3,4,5,6],\ 'Names':['A','B',None,'D','E','F'],\ 'Designation':['Manager','Employee',None,'CTO','Manager','Employee']}) df