Cython is a superset of Python that allows developers to write Python code with additional syntax that makes it easier to interface with C libraries and utilize C datatypes. When Python code is compiled using Cython, it is converted into C code and then compiled as a C extension module, which can be imported and used in Python just like any other module.

The reason why Cython is faster than Python is because the C code generated by Cython is optimized for speed and efficiency. C is a compiled language, which means that the code is translated directly into machine code that can be executed by the CPU. On the other hand, Python is an interpreted language, which means that each line of code is interpreted at runtime, resulting in slower performance.

Cython can also utilize C datatypes, which are more efficient than Python's built-in datatypes. For example, C integers are represented using fewer bytes than Python integers, resulting in faster computation times. Additionally, Cython can use static type declarations to allow the compiler to optimize the code even further.

In summary, Cython is faster than Python because it compiles Python code into optimized C code, and utilizes C datatypes and static type declarations to further improve performance.
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