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1. Create parent class class Parent: def can_sing(self): print('sing a song') 2. Inheritance 2-1. Inherit parent class with nothing Add () after the class which I want to take the inheritance. class LuckyChild(Parent): pass pass : there is no method, variable And then, create instance and call the Parent's method. child1=LuckyChild() child1.can_sing() >>> sing a song 2-2. Inherit parent class an..

copy Under the same object, one can change one copy without changing the other. Therefore, if one of them changed, the other one will be changed affected by changed one. a = [1, 2, 3, 4] b = a # shallow copy print(b) # [1, 2, 3, 4] b[2] = 100 print(b) # [1, 2, 100, 4] print(a) # [1, 2, 100, 4] copy.copy Shallow copy, once copy from one to another one, its reference is same object. Copy only the ..

Module It is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended. Python interpreter-->Python Files(modules, identified by the .py) ⇡read ⇡sets a few special variable. ⇢ one of those variable is called __name__ ⇡if module runs in the main program : __name__ sets as __main__ ⇡if module importing from another module : __name__ sets as ..

YAML Yet Another Markup Language, a digestible data serialization language that is often utilized to create configuration files and works in concurrence with any programming language. It’s a strict superset of JSON, so it can do everything that JSON can and more. YML For historic reasons, many Windows programmers are still scared of using extensions with more than three characters and so opt to ..

Class Basic cookie frame. The meaning of defining the class is defining the new data type. It is a set or category of things having some property of attribute in common and differentiated from others by kind, type, or quality. A blue print for individual objects. class BusinessCard: pass pass : It can be defined the class without anything inside the class. instance Shaped cookie, result through ..