Conversation so far:
Paul McCartney do drugs?
McCartney first used drugs in the Beatles' Hamburg days when they often used Preludin to maintain their energy while performing for long periods.
What kind of drugs did Paul McCartney take?
marijuana and cocaine
Did Paul McCartney have an addiction problem?
Use of the drug soon became habitual, and according to Miles, McCartney wrote the lyrics another kind of mind in Got to Get You into My Life specifically referencing cannabis.
Did Paul McCartney seek help for addiction?
How did the drugs effect Paul McCartney's performance?
During the filming of Help!, McCartney occasionally smoked a joint in the car on the way to the studio during filming, and often forgot his lines.
Did the other band members do drugs with Paul McCartney?
Did Paul McCartney ever get in trouble with the law?
In 1972, a Swedish court fined McCartney £1,000 for cannabis possession.

Question: How did he respond?
Self-contained rewrite: How did Paul McCartney respond to laws against cannabis?