pythontips3.py

In [9]: import array                                                                                                                                                                                                
In [10]: import pickle                                                                                                                                                                                              
In [11]: double_array = array.array("i", range(10 ** 6)) 
    ...: start_time = time.time() 
    ...: with open("array_temp.bin", "wb") as f: 
    ...:     double_array.tofile(f) 
    ...: array_end_time = time.time() - start_time                                                                                                                                                                  
In [12]: int_list = list(range(10 ** 6)) 
    ...: start_time = time.time() 
    ...: with open("list_temp.bin", "wb") as f: 
    ...:     pickle.dump(int_list, f) 
    ...: list_end_time = time.time() - start_time                                                                                                                                                                   
In [13]: print(f"It took {array_end_time} for int_array to complete") 
    ...: print(f"It took {list_end_time} for int_list to complete")                                                                                                                                                 
It took 0.006399869918823242 for int_array to complete
It took 0.03600811958312988 for int_list to complete
In [14]: 0.03600811958312988 / 0.006399869918823242                                                                                                                                                                 
Out[14]: 5.62638304213389