Python3基础 九九乘法表
- 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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