<human>:  What are the key differences between French and German legal systems?
<bot>: The key differences between French and German legal systems include the fact that German law is based on a civil law system, while French law is based on a civil law mixed with elements of the French Napoleonic Code. The German legal system is highly codified with rules and regulations, while French law is less codified and relies more on court decisions and principles in order to form a basis of legal rules. Additionally, French law is more centralized whereas German law is decentralized. French law also has a stronger tradition of legal formalism while German law is more flexible and allows for judicial discretion.