Logic Building
# Take n
n = int(input("Enter size: "))
# Print hollow square
for i in range(n):
for j in range(n):
if i == 0 or i == n-1 or j == 0 or j == n-1:
print("*", end="")
else:
print(" ", end="")
print()Output
Enter size: 5 ***** * * * * * * *****
Print stars only on borders.
Key Concepts:
- First row, last row: all stars
- First column, last column: stars
- Middle: spaces