debugging in python

1#preinstalled package
2import pdb; pdb.set_trace()

1#following is a incorrect code correct this code and give the correct code 
2#in comments
3number = int(input("Which number do you want to check?"))
4
5if number % 2 = 0:
6  print("This is an even number.")
7else:
8  print("This is an odd number.")
9#if you found the error and made it correct this is called debugging

1import pdb
2def fact(x):
3   f = 1
4   for i in range(1,x+1):
5      pdb.set_trace()
6      print (i)
7      f = f * i
8   return f
9if __name__=="__main__":
10   print ("factorial of 3=",fact(3))

1import ipdb; ipdb.set_trace()