Takes a text file of web proxies and makes sure you round-robin between C-blocks

stager_proxy_cblocks.py

proxies = []
with open('goodproxies.txt', 'r') as f:
    for line in f:
        proxies.append(line.strip())
        
block_dict = dict()
blocks = set()
staggered = []
for proxy in proxies:
    block = '.'.join(proxy.split('.')[:3])
    block_dict[proxy] = block
    blocks.add(block)

staggered = []
while proxies:
    for block in blocks:
        for index, test_next in enumerate(proxies):
            next_block = '.'.join(test_next.split('.')[:3])
            if block == next_block:
                staggered.append(test_next)
                del proxies[index]
                break