def min$\_$dns$\_$resolution$\_$time$($urls$,$ cache$\_$size, cache$\_$time, server$\_$time$)$:

cache $=\{\}$

total$\_$time $=0$

for url in urls:

if url in cache:

# URL is in the cache

total$\_$time $+=$ cache$\_$time

else:

# URL is not in the cache, fetch from the server

total$\_$time $+=$ server$\_$time

# Add the URL to the cache

if len$($cache$)==$ cache$\_$size:

# Remove the least recently used URL if the cache is full

cache.popitem$($last$=$False$)$

cache$[$url$]=$ True

return total$\_$time

# Example usage:

urls $=["$example$.$com", "google.com", "example.com", "facebook.com"$]$

cache$\_$size $=2$

cache$\_$time $=1$

server$\_$time $=5$

result $=$ min$\_$dns$\_$resolution$\_$time$($urls$,$ cache$\_$size, cache$\_$time, server$\_$time$)$

print$("$Minimum time taken:", result$)$