blockchain.py

import hashlib


# HASH
string = "whatever"
hashlib.sha256(string.encode()).hexdigest()

# BLOCK
block = 1
nonce = 60209
string = str(block) + str(nonce) + "whatever"

block = 1
i = 0
found = 0
hashes = []
for i in range(500000):
    nonce = i
    string = str(block) + str(nonce) + "dude"
    hash = hashlib.sha256(string.encode()).hexdigest()
    
    if hash[:4] == '0000':
        found += 1
        hashes.append(hash)