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The order in which Python searches for attributes in base classes is called method resolution order(MRO). It gives a linearized path for an inheritanc
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posted @ 2024-07-30 22:07
ZhangZhihuiAAA
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The magic methods __str__ and __repr__ are used for converting an instance object into a string. The method __str__ is invoked when an instance object
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posted @ 2024-07-30 20:42
ZhangZhihuiAAA
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Creating Managed Attributes using properties Properties can be used to create data attributes with special functionality. If you want some extra funct
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posted @ 2024-07-30 18:55
ZhangZhihuiAAA
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Sometimes we have to write methods that are related to the class but do not need any access to instance or class data for performing their work. These
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posted @ 2024-07-30 18:29
ZhangZhihuiAAA
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Class methods allow us to define alternative initializers (also known as factory methods) in a class. These methods help us create instance objects fr
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posted @ 2024-07-30 16:32
ZhangZhihuiAAA
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os.getcwd() Returns the path of the current working directory os.chdir(path) Changes our current working directory
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posted @ 2024-07-30 15:49
ZhangZhihuiAAA
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The print function can also be used to write to a file. The output of print, that is by default, sent to the screen can be redirected to an open file.
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posted @ 2024-07-30 15:12
ZhangZhihuiAAA
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'r' - read mode(default) 'w' - write mode 'a' - append mode 'x' - exclusive creation We know that the mode 'r' opens an existing file for reading only
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posted @ 2024-07-30 14:45
ZhangZhihuiAAA
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Each module is loaded into memory only once during an interpreter session or during a program run, regardless of the number of times it is imported in
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posted @ 2024-07-30 11:37
ZhangZhihuiAAA
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def func(s:str, i:int, j:int) -> str: return s[i:j] The parameter s is supposed to be a string, so we place a colon after the parameter name and then
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posted @ 2024-07-30 11:17
ZhangZhihuiAAA
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Parameters in Function Definition A. def func(name): Match by position or by name B. def func(name=value): Default argument C. def func(*args): Collec
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posted @ 2024-07-30 11:06
ZhangZhihuiAAA
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