Save your time with Cython!!!

cython_usage.py

'''
Simple Cython Usage
'''

''' Step0:Install Cython '''
sudo pip3 install cython
''' Step0:Install Cython '''

''' Step1:Create "a.py" '''
import sys
def fibo(n):
    if n == 0: return 0
    elif n == 1: return 1
    return fibo(n-1) + fibo(n-2)
print(fibo(int(sys.argv[1])))
''' Step1:Create "a.py" '''


''' Step2:execute "a.py" '''
time python3 a.py 40
''' Step2:execute "a.py" '''

''' Step3:cp a.py a.pyx '''

''' Step4:Create setup.py '''
from distutils.core import setup
from Cython.Build import cythonize
setup(
    ext_modules = cythonize('a.pyx'))

''' Step5:Build it '''
python3 setup.py build_ext --inplace
''' Step5:Build it '''

''' Step6:Create "cython_A_.py" '''
import sys
import a
print(a)
''' Step6:Create "cython_A_.py" '''

''' Step7:Execute the program '''
time python3 a.py
''' Step7:Execute the program '''