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What are the differences between Scala and Python?

Educative Answers Team

Type-based differences

Most of the differences between these languages arise because Python is dynamically typed, while Scala is statically typed. This means that the variable and object types do not need to be explicitly stated in Python. Instead, they are interpreted at run-time, which creates extra work for the interpreter as they must decide data-types at run-time. In Scala, this kind of work is not required as all data-types must be explicitly stated by the programmer; thus, Scala is about 10 times faster than Python. Scala, being statically typed, also provides a proper interface to catch compile-time errors on. Python, on the other hand, is quite prone to bugs (even on very small code changes). The testing process and its methodologies are also very complex in Python.

Other differences

Python doesn’t support proper multi-threading. However, Scala has a number of asynchronous libraries and reactive cores, which makes it a better choice for implementing concurrency.

Both Python and Scala are very simple and easy to learn, but Scala is the easiest.

Python has many interpreters, which makes it very portable. Scala, on the other hand, must be compiled and executed by JVM (Java Code Bytes).

Python is generally considered very useful for small projects. Scala, on the other hand, is far more scalable.

Summary

Feature Python Scala
Type Dynamically typed Statically typed
Speed Slower Faster (10x)
Concurrency Doesn’t support proper multithreading Good choice for concurrent operations
Bugs Very prone to bugs Has the proper interface for handling compile-time errors
Testing Complex Simple
Simplicity Easy to learn Very easy to learn
Community Huge community Relatively small community
Portability Very portable Less portable

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scala
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