[Python] Python: Drawing asterisk pattern based on input number within a range

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def validate_input():
while True:
try:
n = int(input("Enter a number between 4 and 8: "))
if 4 <= n <= 8:
return n
else:
print("Error: the number must be between 4 and 8.")
except ValueError:
print("Error: you must enter an integer.")

def generate_pattern(n):
rows = n * n
columns = 11 # You can adjust this if you want a wider pattern

# Print column headers
print(" ", end="")
for col in range(1, columns + 1):
print(f"{col:<3}", end="")
print()

for row in range(1, rows + 1):
print(f"{row:<5}", end="") # row number

for col in range(1, columns + 1):
# Calculate which block of n rows we're in
block = (row - 1) // n
pos = (row - 1) % n

# The two diagonal conditions to generate the pattern
draw = False

# Downward diagonal ↘️
if col == block + pos + 1:
draw = True

# Upward diagonal ↙️
if col == (2 * n - 1) - (block + pos):
draw = True

print("* " if draw else " ", end="")

print()

# Run the program
n = validate_input()
generate_pattern(n)

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