How to create list from excel column

- How to create list from excel column in python
- How to create drop down list in excel column
- How to create a list from multiple columns in excel
- How to create email list from excel column
- How to create a comma separated list from excel column
- How to create a drop down list in excel column
- How to create one list from multiple columns in excel
- How to create a list from two columns in excel