inspect的getmembers()方法可以获取对象(module、class、method等)的如下属性: Type Attribute Description Notes module __doc__ documentation string __file__ filename (missing for built-in modules) class __doc__ documentation string __module__ name of module in which this class was defined method ...
classCounter:def__init__(self,low,high):#setclassattributesinside the magic method __init__ #for"inistalise"self.current=low self.high=high def__iter__(self):# first magic method to makethisobject iterablereturnself def__next__(self):# second magic methodifself.current>self.high:raise ...
本文代码可以在github下载: https://github.com/fengdu78/Data-Science-Notes/tree/master/1.python-basic 文件名:Python_Basic.ipynb 1 Python数据类型 1.1 字符串 在Python中用引号引起来的字符集称之为字符串,比如:'hello'、"my Python"、"2...
[‘/home/zhoujh/study_workspace/studynotes/python/python_base’, ‘/usr/local/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg’, ‘/usr/local/lib/python2.6/site-packages/redis-2.2.1-py2.6.egg’, ‘/usr/local/lib/python2.6/site-packages/Flask-0.8-py2.6.egg’, ‘/usr/local/lib/...
Tip: Use blue boxes (alert-info) for tips and notes. If it’s a note, you don’t have to include the word “Note”. · 黄色警示框:警告 Example: Yellow Boxes are generally used to include additional examples or mathematical formulas. · 绿色警示框:...
在 Python 中,函数是「头等公民」(first-class)。也就是说,函数与其他数据类型(如 int)处于平等地位。 因而,我们可以将函数赋值给变量,也可以将其作为参数传入其他函数,将它们存储在其他数据结构(如 dicts)中,并将它们作为其他函数的返回值。 把函数作为对象 由于其他数据类型(如 string、list 和 int...
class A(): def __bool__(self): print('__bool__ is called') return True def __len__(self): print('__len__ is called') return 0 a = A() if a: print('a is True') else: print('a is False') ''' 执行结果: __bool__ is called a is True ''' 上述代码中...
python队列、缺省字典、排序字典 import heapq class PriorityQueue: def __init__(self): self._queue = [] self._index = 0 def push(self, item, priority...
Notes 欢迎使用 68.69. 70.71. 用户登录72.73. 74.75. 76.77. 用户名78.79. 80.81. 82.83. 84.85. 密码86.87. </di 3.4.2 笔记模块 负责笔记的创建、编辑、删除、分类等功能。 图3 添加笔记 代码 1. # 添加笔记2.3. @app.route('/add_article', methods=...
All contents have already been moved to haoran119/python (github.com). learning-notes/src/python at master · haoran119/learning-notes (githu