Python3基礎 dict clear 清空一個字典
阿新 • • 發佈:2018-09-24
anaconda nbsp 源碼 rules 轉變 ubuntu 初心 code type
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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(): my_dict = {‘子‘: ‘鼠‘, ‘醜‘: ‘牛‘, ‘寅‘: ‘虎‘, ‘卯‘: ‘兔‘, ‘辰‘: ‘龍‘, ‘巳‘: ‘蛇‘, ‘午‘: ‘馬‘, ‘未‘: ‘羊‘, ‘申‘: ‘猴‘, ‘酉‘: ‘雞‘, ‘戌‘: ‘狗‘, ‘亥‘: ‘豬‘} print(‘子‘ in my_dict.keys()) print(‘鼠‘ in my_dict.values()) print(‘行初心‘ in my_dict.keys()) print(‘行初心‘ in my_dict.values()) # 清空字典的指定用法 my_dict.clear() 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
True
True
False
False
{}
Process finished with exit code 0
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resource
- [文檔] https://docs.python.org/3/
- [規範] https://www.python.org/dev/peps/pep-0008/
- [規範] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
- [源碼] https://www.python.org/downloads/source/
- [ PEP ] https://www.python.org/dev/peps/
- [平臺] https://www.cnblogs.com/
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Python具有開源、跨平臺、解釋型、交互式等特性,值得學習。
Python的設計哲學:優雅,明確,簡單。提倡用一種方法,最好是只有一種方法來做一件事。
代碼的書寫要遵守規範,這樣有助於溝通和理解。
每種語言都有獨特的思想,初學者需要轉變思維、踏實踐行、堅持積累。
Python3基礎 dict clear 清空一個字典