for i in range(1,12):

for j in range(0,i+-1):

print(j,end="")

print()

for i in range(1,12):

for j in range(0,i+-1):

print(j,end="")

print()

for i in range(1,12):

for j in range(0,i+-1):

print(j,end="")

print()

I need to know the steps in pseudocode for this nested loop Python program