def pattern(n):
    for i in range(1, n + 1):
        k = i + 1 if (i % 2 != 0) else i
        for g in range(k, n):
            if g >= k:
                print(end=" ")
        for j in range(0, k):
            if j == k - 1:
                print("*")
            else:
                print("*", end=" ")


n = 10
pattern(n)
