Zanam questions

• how to create empty numpy array to store different kinds of data
• Sorting columns of multiindex dataframe
• Insert into sql table data with datetime and multiple rows using Python
• Summing multiple lists stored in dataframe
• python pandas reading csv file error in column name
• Python: numpy shape confusion
• Select the row with max value using row_number() or rank()
• Unable to print multiindex dataframe to excel with merged cells
• Creating forms with multiple input types
• File create time doesn't change even after it is deleted

Zanam answers