lista = ['4', '07', '08', '2017', '364', '355673087875675']
max = float('-inf')
for item in lista:
item = int(item)
if item > max:
max = item
print(max)
#https://pt.stackoverflow.com/q/257905/101
bGlzdGEgPSBbJzQnLCAnMDcnLCAnMDgnLCAnMjAxNycsICczNjQnLCAnMzU1NjczMDg3ODc1Njc1J10KbWF4ID0gZmxvYXQoJy1pbmYnKQpmb3IgaXRlbSBpbiBsaXN0YToKICAgIGl0ZW0gPSBpbnQoaXRlbSkKICAgIGlmIGl0ZW0gPiBtYXg6CiAgICAgICAgbWF4ID0gaXRlbQpwcmludChtYXgpCgojaHR0cHM6Ly9wdC5zdGFja292ZXJmbG93LmNvbS9xLzI1NzkwNS8xMDE=