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- python : 3.7.0
- OS : Ubuntu 18.04.1 LTS
- IDE : PyCharm 2018.2.4
- conda : 4.5.11
- type setting : Markdown
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code
"""
@Author : 行初心
@Date : 18-9-23
@Blog : www.cnblogs.com/xingchuxin
@GitHub : github.com/GratefulHeartCoder
"""
def main():
# formkeys返回一个新的字典
# 创建一个空字典
dict_empty = {}
my_dict = dict_empty.fromkeys((1, 2, 3))
print(dict_empty)
print(my_dict)
# formkeys每个键所对应着的值相同
my_dict = dict_empty.fromkeys((1, 2, 3), ‘number‘)
print(my_dict)
if __name__ == ‘__main__‘:
main()
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result
/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/DataStructure/demo.py
{}
{1: None, 2: None, 3: None}
{1: ‘number‘, 2: ‘number‘, 3: ‘number‘}
Process finished with exit code 0
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resource
- [文档] https://docs.python.org/3/
- [规范] https://www.python.org/dev/peps/pep-0008/
- [规范] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
- [源码] https://www.python.org/downloads/source/
- [ PEP ] https://www.python.org/dev/peps/
- [平台] https://www.cnblogs.com/
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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。
原文地址:https://www.cnblogs.com/xingchuxin/p/9696421.html
时间: 2024-11-05 18:47:23