John Machin questions

John Machin answers

• Python - How to group variables separated by or/and operators
• Empty XML element handling in Python
• problem reading a csv file in python
• Why are there extra blank lines in my python program output?
• How to elegantly send/receive a large C struct using Python?
• How do I make this sorting case insensitive?
• Create a 2D array with a nested loop
• Python optimization
• python excel processing error
• SqlAlchemy / Sqlite Distance calculation