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This article will explain in detail for you how python does not use conditional statements to achieve addition, subtraction, multiplication and division, exponentiation operation, editor feel very practical, so share to you to do a reference, I hope you can get something after reading this article.

Calculators that do not use if-else

This code can add, subtract, multiply, divide, and exponentiate without using conditional statements, which is realized through the data structure of dictionary:

Import operator action = {"+": operator.add, "-": operator.sub, "/": operator.truediv, "*": operator.mul, "* *": pow} print (action ['-'] (50,25)) # what are the main application areas of 25python 1. Cloud computing, typical application OpenStack. 2. WEB front-end development, many large websites are developed by Python. 3. Artificial intelligence applications, which are based on big data's analysis and deep learning, have essentially been unable to leave python. 4. System operation and maintenance project, the standard configuration of automatic operation and maintenance is python+Django/flask. 5. Financial management analysis, quantitative transaction, financial analysis. 6. Big data's analysis.

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