ch03_r07.py 文件源码

def factorial():
    simple = timeit.timeit('fact_s(52)',
'''
from ch03_r07 import fact_s
''')

    optimized = timeit.timeit('fact_o(52)',
'''
from ch03_r07 import fact_o
''')

    while_statement = timeit.timeit('fact_w(52)',
'''
from ch03_r07 import fact_w
'''
    )

    print( "Simple    {simple:.4f}".format_map(vars()))
    print( "Optimized {optimized:.4f}".format_map(vars()))
    print( "While     {while_statement:.4f}".format_map(vars()))