How to use Python dictionaries

Programming languages ​​all come with a variety of data structures, each suited to specific kinds of jobs. Among the data structures built into Python, the dictionary, or Python dict, stands out. A Python dictionary is a fast, versatile way to store and retrieve data by way of a name or even a more complex object … Read more

python – How do I merge two dictionaries in a single expression?

How can I merge two Python dictionaries in a single expression? For dictionaries x and ytheir shallowly-merged dictionary z takes values ​​from yreplacing those from x. In Python 3.9.0 or greater (released 17 October 2020, PEP-584discussed here): z = x | y In Python 3.5 or greater: z = {**x, **y} In Python 2, (or … Read more

python – How to group keys in a list of list of dictionaries with the same keys?

I have a list of list of dictionaries like the below: [[{‘what-is-contributing-to-the-quarter-on-same-quarter-a-year-ago-decrease?’: ‘None’}, {‘main-points-‘: ‘None’}, {‘things-you-need-to-know-about-this-release’: ‘None’}, {‘what-is-contributing-to-the-three-months-on-same-three-months-a-year-ago-decrease?’: ‘None’}, {‘blue-book-2019’: ‘None’}, {‘manufacturing’: ‘None’}, {‘production’: ‘None’}, {‘what-is-contributing-to-the-annual-increase?’: ‘None’}, {‘production-data’: ‘None’}, {‘external-influences-on-production’: ‘None’}, {‘main-points’: ‘Monthly production output fell by 0.2% between February and March 2022, reaching a level that was 1.6% below February 2020 – the last … Read more