10_This_is_NOT_That_Hard.py

"""
The bitwise NOT operator (~) just flips all of the bits in a single number.  
What's done inside the computer is very complicated, but mathematically, 
this is equivalent to adding one to the number and then making it negative.
"""

print ~1
print ~2
print ~3
print ~42
print ~123


"""
OUTPUT: 

-2
-3
-4
-43
-124
"""

# https://discuss.codecademy.com/t/why-would-we-want-to-change-bit-strings-with-bitwise-operators/340579