Please check my coding for executing pattern programming and tell me my mistake and explain it:

Question

4321
432
43
4

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

Answer 1

num = 4
while num >= 0:
for i in range(num,0,-1):
print(i,end='')
print()
num = num - 1

Answer 2

https://code.sololearn.com/c65V6H9weliQ/?ref=app

Check this

Some corrections in Your logic

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