Tag: python
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Converting Between Python Dictionaries and JSON
We will use json.dums() function to convert to json from python dictionary and json.loads() to convert from json to python dictionary. In this example code we used flower details data in python dictionary and converted it to json. import json # flowers in python dictionary flowers = { “rose”: { “scientific_name”: “Rosa”, “grows_in”: [“gardens”, “wild”],…
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Solve Math Problems Instantly: Python’s eval() for Speedy String-Based Calculations
For example we have math expression in string like “4+2+34+346-234”We can directly calculate from this text with eval() Directly calculate from string our_expression= “4+2+34+346-234” answer=eval(our_expression) print(answer) # 152 Copy Code More things we can do calculate from variables x = 7 y = 5 expression = “x * y” result = eval(expression) print(“Result:”, result) #…
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Simulate Bird Flocking Behavior with pygame: Algorithm and Code Explained
Bird flocking is a wonderful example of how simple behaviors can lead to complex, beautiful patterns in nature. We’ll learn the key principles behind this flocking behavior and write a python program to simulate this wonderful phenomenon. The principles Bird Flocking Simulation Algorithm Setting Up the Simulation Each Frame of the Simulation The pygame example…
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MongoDB Indexing Basics with Python
MongoDB Improve performance Why you should use Indexing in Databases Faster Searches Indexes act as efficient lookup structures, enabling rapid retrieval of data matching query criteria. Optimized Query Execution By using indexes, databases can strategically navigate the data path, minimizing processing time for queries. Reduced Disk I/O Indexes allow the database to locate data directly,…
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How to work with python pickle
Python pickle is an essential tool for serializing and de-serializing Python objects, such as lists, dictionaries, and custom objects, offering a seamless method to store and retrieve data with efficiency. So we can easily store python lists,dictionary and frequently used object which need to be stored. Pickle is fast is efficient. Evan I have made…