Important Questions for Class 12 Computer Science (Python) – Review of PythonTOPIC-1 Python Basics Very Short Answer Type Questions(1 mark)Question 1. Name the Python Library modules which need to be imported to invoke the following functions :...
Short Answer Type Questions-I Question 1: Observe the following PARTICIPANTS and EVENTS table cerefully and write the name of the RDBMS operation which will be used to produce the output as shown in RESULT? Also, find the Degree and Cardinality of the RESULT. Answer: Cartesian Product Degree ...
class Math: def add(self, a, b, c=0): return a + b + c # Different behavior based on the number of arguments print(Math().add(2, 3)) # Output: 5 print(Math().add(2, 3, 4)) # Output: 9 Here is an example representing method overriding: Python Copy Code Run Code 1 ...
Python OOPS Interview Questions 1. How will you check if a class is a child of another class? This is done by using a method called issubclass() provided by python. The method tells us if any class is a child of another class by returning true or false accordingly.For example: class ...
“Thanks for your quality contributions with Real Python podcast. Three things I particularly like about the podcast: 1. You ask quality questions. 2. Extra course/exploratory links at the bottom is crucial for me. 3. Weekly conversation is better than information overdose.”...
Run this code, and you’ll see the output: Hello, World! Very Good! You have successfully, written your first Python program. Now let’s move on to the next section of this tutorial: 2. Basics of Python In order to get started with Python, first you need to get familiar with the ...
class WTF: passOutput:>>> WTF() == WTF() # two different instances can't be equal False >>> WTF() is WTF() # identities are also different False >>> hash(WTF()) == hash(WTF()) # hashes _should_ be different as well True >>> id(WTF()) == id(WTF()) True...
使用图像中对象的凸包自动裁剪图像(问题取自https://stackoverflow.com/questions/14211340/automatically-cropping-an-image-with-python-pil/51703287#51703287)。使用以下图像并裁剪白色背景: [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-qxbyj6kF-1681961425703)(https://gitcode.net/apac...
class A(object): def __new__(cls): print("Creating instance") return super(A, cls).__new__(cls) def __init__(self): print("Init is called")Output:Creating instance Init is called __del__ The __del__() method is a known as a destructor method in Python. It is called ...
The output from @timer is only shown as tw is created. The call to .waste_time() isn’t timed.Later, you’ll see an example defining a proper class decorator, namely @singleton, which ensures that there’s only one instance of a class....