Please tell me step by step mistake in my coding

Question

4321
432
43
4

Correct coding
row = 1
while (row<=4):
   col=4
   while (col>= row):
     print (col, end=" ")
     col = col-1
   row=row+1
   print ()

My coding
row = 4
while (row>=1):
col=4
while (col>= 1):
print (col, end=" ")
col = col-1
row=row-1
print ()

Answer 1

This is really the 5th time youve asked about this problem😐 Others have tried to explain (and explain they did), maybe you should do the Python tutorial first😉

Answer 2

I just need the explanation of the mistake I have committed for the given pattern step by step