Download Think Python by Allen B. Downey PDF

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By Allen B. Downey

On the way to the way to application, operating with Python is a superb solution to commence. This hands-on consultant takes you thru the language one step at a time, starting with easy programming techniques sooner than relocating directly to services, recursion, info buildings, and object-oriented design.

Through workouts in each one bankruptcy, you’ll attempt programming innovations as you research them. Think Python is perfect for college students on the highschool or collage point, in addition to self-learners, home-schooled scholars, and execs who have to study programming basics.
* commence with the fundamentals, together with language syntax and semantics
* Get a transparent definition of every programming idea
* study values, variables, statements, capabilities, and knowledge constructions in a logical development
* observe how you can paintings with records and databases
* comprehend gadgets, equipment, and object-oriented programming
* Use debugging concepts to mend syntax, runtime, and semantic mistakes
* discover interface layout, info constructions, and GUI-based courses via case experiences

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Open returns a file object and binds it to the file_stream attribute. The first argument to open is the file name; the second is the mode we wish to use. stdin to file_stream. Both of these objects are considered to be file-like objects. They implement the same set of core functionality, though the input sources are different. This is another example of polymorphism. Finally, we've wrapped our open method in a try/except block in order to catch any exceptions that may bubble up from the open function.

We can make one more simple change to our script so that we have native support for common compression formats. Time for action – handling compressed files In this example, we'll add support for common compression formats using Python's standard library. 1. py. Add a new function just below the MaxSizeHandler class. def get_stream(path): """ Detect compression. If the file name ends in a compression suffix, we'll open it using the correct algorith. If not, we just return a standard file object.

It's a great place to learn about available third-party applications. Links are provided to individual package documentation if it's not included directly into the package's PyPI page. Packaging in a nutshell There are at least two different popular methods of packaging and deploying Python packages. The distutils package is part of the standard distribution and provides a mechanism for building and installing Python software. Packages that take advantage of the distutils system are downloaded as a source distribution and built and installed by a local user.

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