novawaly questions

• ValueError: cannot reindex from a duplicate axis when assigning new column to pandas DataFrame
• Adding a secondary axis in Plotly Python
• Find and Replace only values in Excel (not within formulas)
• Counting the items in a range
• AttributeError: 'Engine' object has no attribute 'execute' when trying to run sqlalchemy in python to manage my SQL database
• Adding a Dictionary as a new row in a data frame
• Summing up previous 10 rows of a dataframe
• Converting a DateTime Index value to an Index Number

novawaly answers