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列印星形三角                                                                   -------  知識無價,汗水有情,如需搬運請注明出處,謝謝!

方法一:

# 使用while,完成圖形的輸出
i = 1
k = 5
while i < 6:
    j = 1
    while j <= i:
        print('*', end=' ')
        j += 1
    print('\n')
    i += 1
while k > 0:
    j = 1
    while j < k:
        print('*', end=' ')
        j += 1
    print('\n')
    k -= 1
      

方法二:

# 最大星星數
my_num = 5
# 循環次數
row_index = 1

while row_index <= 2 * my_num - 1:
    # 定義一個列數
    col_index = 1
    # 完成列印上半部分
    if row_index <= my_num:
        while col_index <= row_index:
            print("*", end="")
            col_index += 1
    else:
        # 完成列印下半部分
        while col_index <= 2 * my_num - row_index:
            print("*", end="")
            col_index += 1
    print()
    row_index += 1
      

  

                                                                   -------  知識無價,汗水有情,如需搬運請注明出處,謝謝!

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