pdb step into

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

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))

1# Step Into
2(pdb) s