code
row = int(input("请输入行数:")) num = 1 sum = 0 for i in range(1, row + 1): for j in range(row - i, 0, -1): print(" ", end=" ") for j in range(1, i + 1): print(num, end=" ") num *= 2 sum = num num = 1 sum //= 2 for j in range(2, i + 1): print(sum//2, end=" ") sum //= 2 print("")