Getting started with the Python debugger, pdb [closed]

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I want to add pdb—the Python debugger—to my toolbox. What's the best way to get started?

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Here's a list of resources to get started with the Python debugger:

1. Read Steve Ferb's article "Debugging in Python"
2. Watch Eric Holscher's screencast "Using pdb, the Python Debugger"
3. Read the Python documentation for pdb — The Python Debugger
4. Read Chapter 9—When You Don't Even Know What to Log: Using Debuggers—of Karen Tracey's Django 1.1 Testing and Debugging.

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Synopsis:

# epdb1.py -- experiment with the Python debugger, pdb
import pdb
a = "aaa"
pdb.set_trace()
b = "bbb"
c = "ccc"
final = a + b + c
print final

Now run your script:

$ python epdb1.py
(Pdb) p a
'aaa'
(Pdb)