•        Python : 3.7.3
  •          OS : Ubuntu 18.04.2 LTS
  •         IDE : pycharm-community-2019.1.3
  •       Conda : 4.7.5
  •    typesetting : Markdown

 

code_1

"""

@Author : 行初心

@Date   : 2019/7/2

@Blog   : www.cnblogs.com/xingchuxin

@Gitee  : gitee.com/zhichengjiu

"""

def main():

    # 最终的数值是9

    end_num = 9

    # 行计数器

    row = 1

    while row <= end_num:

        col = 1

        while col <= row:

            print("%d * %d = %d" % (row, col, row * col), end="  ")

            col += 1

        print("")

        row += 1

if __name__ == '__main__':

    main()

 

result_1

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/SimpleExample/demo.py

1 * 1 = 1

2 * 1 = 2  2 * 2 = 4

3 * 1 = 3  3 * 2 = 6  3 * 3 = 9

4 * 1 = 4  4 * 2 = 8  4 * 3 = 12  4 * 4 = 16

5 * 1 = 5  5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 25

6 * 1 = 6  6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 36

7 * 1 = 7  7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 49

8 * 1 = 8  8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 64

9 * 1 = 9  9 * 2 = 18  9 * 3 = 27  9 * 4 = 36  9 * 5 = 45  9 * 6 = 54  9 * 7 = 63  9 * 8 = 72  9 * 9 = 81  

Process finished with exit code 0

 

code_2

"""

@Author : 行初心

@Date   : 2019/7/2

@Blog   : www.cnblogs.com/xingchuxin

@Gitee  : gitee.com/zhichengjiu

"""

def main():

    # 最终的数值是9

    end_num = 9

    # 行计数器

    row = 1

    while row <= end_num:

        col = 1

        while col <= row:

            if col == row:

                # 每行最后一项的end，不用加空格了

                print("%d * %d = %d" % (row, col, row * col), end="")

            else:

                print("%d * %d = %d" % (row, col, row * col), end="  ")

            col += 1

        print("")

        row += 1

if __name__ == '__main__':

    main()

 

result_2

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/SimpleExample/demo.py

1 * 1 = 1

2 * 1 = 2  2 * 2 = 4

3 * 1 = 3  3 * 2 = 6  3 * 3 = 9

4 * 1 = 4  4 * 2 = 8  4 * 3 = 12  4 * 4 = 16

5 * 1 = 5  5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 25

6 * 1 = 6  6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 36

7 * 1 = 7  7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 49

8 * 1 = 8  8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 64

9 * 1 = 9  9 * 2 = 18  9 * 3 = 27  9 * 4 = 36  9 * 5 = 45  9 * 6 = 54  9 * 7 = 63  9 * 8 = 72  9 * 9 = 81

Process finished with exit code 0

 

code_3

"""

@Author : 行初心

@Date   : 2019/7/2

@Blog   : www.cnblogs.com/xingchuxin

@Gitee  : gitee.com/zhichengjiu

"""

def main():

    # 最终的数值是9

    end_num = 9

    # 行计数器

    row = 1

    while row <= end_num:

        # 列计数器

        col = 1

        while col <= row:

            if col == row:

                # 每行最后一项的end，不用加空格了

                print("%d * %d = %d" % (row, col, row * col), end="")

            else:

                if (row == 3 or row == 4) and (col == 2):

                    # 第三行、第四行的第二列多加一个空格

                    print("%d * %d = %d" % (row, col, row * col), end="   ")

                else:

                    print("%d * %d = %d" % (row, col, row * col), end="  ")

            col += 1

        print("")

        row += 1

if __name__ == '__main__':

    main()

 

result_3

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/SimpleExample/demo.py

1 * 1 = 1

2 * 1 = 2  2 * 2 = 4

3 * 1 = 3  3 * 2 = 6   3 * 3 = 9

4 * 1 = 4  4 * 2 = 8   4 * 3 = 12  4 * 4 = 16

5 * 1 = 5  5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 25

6 * 1 = 6  6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 36

7 * 1 = 7  7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 49

8 * 1 = 8  8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 64

9 * 1 = 9  9 * 2 = 18  9 * 3 = 27  9 * 4 = 36  9 * 5 = 45  9 * 6 = 54  9 * 7 = 63  9 * 8 = 72  9 * 9 = 81

Process finished with exit code 0

 

code_4

"""

@Author : 行初心

@Date   : 2019/7/2

@Blog   : www.cnblogs.com/xingchuxin

@Gitee  : gitee.com/zhichengjiu

"""

def main():

    # 最终的数值是9

    end_num = 9

    # 行计数器

    row = 1

    while row <= end_num:

        # 列计数器

        col = 1

        while col <= row:

            # 使用转义字符\t,制表符,垂直方向上对齐，很好用

            print("%d * %d = %d" % (row, col, row * col), end="\t")

            col += 1

        print("")

        row += 1

if __name__ == '__main__':

    main()

 

result_4

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/SimpleExample/demo.py

1 * 1 = 1

2 * 1 = 2	2 * 2 = 4

3 * 1 = 3	3 * 2 = 6	3 * 3 = 9

4 * 1 = 4	4 * 2 = 8	4 * 3 = 12	4 * 4 = 16

5 * 1 = 5	5 * 2 = 10	5 * 3 = 15	5 * 4 = 20	5 * 5 = 25

6 * 1 = 6	6 * 2 = 12	6 * 3 = 18	6 * 4 = 24	6 * 5 = 30	6 * 6 = 36

7 * 1 = 7	7 * 2 = 14	7 * 3 = 21	7 * 4 = 28	7 * 5 = 35	7 * 6 = 42	7 * 7 = 49

8 * 1 = 8	8 * 2 = 16	8 * 3 = 24	8 * 4 = 32	8 * 5 = 40	8 * 6 = 48	8 * 7 = 56	8 * 8 = 64

9 * 1 = 9	9 * 2 = 18	9 * 3 = 27	9 * 4 = 36	9 * 5 = 45	9 * 6 = 54	9 * 7 = 63	9 * 8 = 72	9 * 9 = 81	

Process finished with exit code 0

 

resource

  • [文档 - English] docs.python.org/3
  • [文档 - 中文] docs.python.org/zh-cn/3
  • [规范] www.python.org/dev/peps/pep-0008
  • [规范] zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules
  • [源码] www.python.org/downloads/source
  • [ PEP ] www.python.org/dev/peps
  • [平台] www.cnblogs.com
  • [平台] gitee.com

 

Python具有开源、跨平台、解释型、交互式等特性，值得学习。

Python的设计哲学：优雅，明确，简单。提倡用一种方法，最好是只有一种方法来做一件事。

代码的书写要遵守规范，这样有助于沟通和理解。

每种语言都有独特的思想，初学者需要转变思维、踏实践行、坚持积累。

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