- Python's standard debugger is called PDB.
- PDB is a standard command-line debugger.
- The
pdb.set_trace()
method can be used to stop program execution and enter the debugger. - Your REPL's prompt will change to (Pdb) when you're in the debugger.
- You can access PDB's built-in help system by typing
help
. - You can use python
-m pdb
followed by a script name to run a program under PDB from the start. - PDB's
where
command shows the current call stack. - PDB's
next
command lets execution continue to the next line of code. - PDB's
continue
command lets program execution continue indefinitely, or until you stop it with Ctrl+C. - PDB's
list
command shows you the source code at your current location. - PDB's
return
command resumes execution until the end of the current function. - PDB's
print
command lets you see the values of objects in the debugger. - Use the
quit
command to exit PDB.
Along the way we found that:
- The
divmod()
function calculates the quotient and remainder for a division operation at one time. - The
reversed...