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Python3基础 print 格式化输出 %% 输出%

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09/23
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  •        Python : 3.7.3
  •          OS : Ubuntu 18.04.2 LTS
  •         IDE : pycharm-community-2019.1.3
  •       Conda : 4.7.5
  •    typesetting : Markdown

 

code

"""
@Author : 行初心
@Date : 2019/7/2
@Blog : www.cnblogs.com/xingchuxin
@Gitee : gitee.com/zhichengjiu
"""def main():
book_name = "本草纲目"
book_quantity = 1
book_price = 39.1266
book_discount = 100 # 注意输出内容前面的空白 print("""
书名:%s
数量:%d
单价:%f
折扣:%d%%
""" % (book_name, book_quantity, book_price, book_discount))if __name__ == '__main__':
main()

 

result

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/Base/demo.py 书名:本草纲目
数量:1
单价:39.126600
折扣:100%Process finished with exit code 0

 

source_code

def print(self, *args, sep=' ', end='\n', file=None): # known special case of print
"""
print(value, ..., sep=' ', end='\n', file=sys.stdout, flush=False) Prints the values to a stream, or to sys.stdout by default.
Optional keyword arguments:
file: a file-like object (stream); defaults to the current sys.stdout.
sep: string inserted between values, default a space.
end: string appended after the last value, default a newline.
flush: whether to forcibly flush the stream.
"""
pass

 

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。