Debugging tools, especially conditional breakpoints. I’ve come across far too many people who say “yeah I use PyCharm” (for Python) but when I ask them if they’

Debugging tools, especially conditional breakpoints. I’ve come across far too many people who say “yeah I use PyCharm” (for Python) but when I ask them if they’ve used the debugger, they say they don’t know how to use that. Investing time in learning to use the debugger and especially how to insert conditional breakpoints can be a lifesaver.