rows = 5
for i in range(0, rows):
for j in range(0, i + 1):
print("*", end=' ')
print("\r")
for i in range(rows, 0, -1):
for j in range(0, i - 1):
print("*", end=' ')
print("\r")
for i in range(1, rows + 1):
for j in range(1, rows + 1):
if j <= i:
print("*", end='')
print()
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