Python program to demonstrate debugging of script
codeaft.py
import pdb

def add(a):
    return a * a
pdb.set_trace()
a = input("A = ")
b = input("B = ")
c = int(a) + int(b)
print(c)
d = add(3)
print(d)
Output
codeaft@codeaft:~$ python3 codeaft.py
> /home/codeaft/codeaft.py(6)<module>()
-> a = input("A = ")
(Pdb) n
A = 1
> /home/codeaft/codeaft.py(6)<module>()
-> b = input("B = ")
(Pdb) n
B = 8
> /home/codeaft/codeaft.py(6)<module>()
-> c = int(a) + int(b)
(Pdb) n
> /home/codeaft/codeaft.py(6)<module>()
-> print(c)
(Pdb) c
9
9
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