1print((2**64).to_bytes(9, "little"))
2print((2**64).to_bytes(9, "big"))
3
4b = bytes(range(20))
5
6il = int.from_bytes(b, "little")
7ib = int.from_bytes(b, "big")
8print(il)
9print(ib)
10print(il.to_bytes(20, "little"))
11print(ib.to_bytes(20, "big"))
12
13# check that extra zero bytes don't change the internal int value
14print(int.from_bytes(b + bytes(10), "little") == int.from_bytes(b, "little"))
15