Learning binary crap for real

In [3]:

    

0b0 + 0b1000


    

    
Out[3]:





8

In [8]:

    

0b101


    

    
Out[8]:





5

In [11]:

    

5 << 1 # should multiply by 2 aka 10


    

    
Out[11]:





10

In [12]:

    

10 >> 1 # should devide by 2 aka 5


    

    
Out[12]:





5

In [23]:

    

~5 # ~ means bitwise not


    

    
Out[23]:





-6

In [32]:

    

5 & 4 # & means bitwise and


    

    
Out[32]:





4

In [33]:

    

5 | 4 # | means or


    

    
Out[33]:





5

In [31]:

    

5 ^ 4 # ^ means xor aka exlusive or


    

    
Out[31]:





1

In [35]:

    

5 ^ 1 # property of xor.... if you xor something with the output of that item and it's previous exor valy you get the original value


    

    
Out[35]:





4

In [ ]: