This is the command pdb3 that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
pdb3.5 - the Python debugger
pdb3.5 script [...]
See /usr/lib/python3.5/pdb.doc for more information on the use of pdb. When the debugger
is started, help is available via the help command.
Use pdb3 online using onworks.net services