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First(quickly and concisely) solution in Clear category for How to Find Friends by vinegret
def check_connection(network, first, second):
for link in network:
if first in link:
frends = link.split('-')
frend = frends[abs(frends.index(first) -1)]
if frend == second:
return True
else:
net = list(network)
net.pop(net.index(link))
return check_connection(net, frend, second)
return False
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert check_connection(
("dr101-mr99", "mr99-out00", "dr101-out00", "scout1-scout2",
"scout3-scout1", "scout1-scout4", "scout4-sscout", "sscout-super"),
"scout2", "scout3") == True, "Scout Brotherhood"
assert check_connection(
("dr101-mr99", "mr99-out00", "dr101-out00", "scout1-scout2",
"scout3-scout1", "scout1-scout4", "scout4-sscout", "sscout-super"),
"super", "scout2") == True, "Super Scout"
assert check_connection(
("dr101-mr99", "mr99-out00", "dr101-out00", "scout1-scout2",
"scout3-scout1", "scout1-scout4", "scout4-sscout", "sscout-super"),
"dr101", "sscout") == False, "I don't know any scouts."
July 6, 2015
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