In [1]:

    

x = [4, 3, 4, 1]
x


    

    
Out[1]:





[4, 3, 4, 1]

In [2]:

    

sum(x)


    

    
Out[2]:





12

In [3]:

    

sum(x)/len(x)


    

    
Out[3]:





3.0

In [4]:

    

x


    

    
Out[4]:





[4, 3, 4, 1]

In [5]:

    

sorted(x)


    

    
Out[5]:





[1, 3, 4, 4]

In [6]:

    

%timeit sorted(x, reverse=True)
sorted(x, reverse=True)


    

    




The slowest run took 4.72 times longer than the fastest. This could mean that an intermediate result is being cached.
100000 loops, best of 3: 2.09 µs per loop






    
Out[6]:





[4, 4, 3, 1]