How can I debug manually typed expression and statements in pdb?

Question

In pdb (or ipdb) we can execute statements and evaluate expressions with the ! or p commands:

p expression
     Evaluate the

Answer 1

With regards to your example, you don't need to exit pdb and change the code. You can step into the function (with 's') and set weekday_index=0 inside.

One solution to your original problem is to use the debugger's jump command as follows:

1. jump before the function call using 'j #line-number'
2. step in the function with 's'
3. set the input params, and continue debugging.

This worked when I tried it, but the debugger complained when I tried to do step 3 before step 2 for some reason.