what is switzerland's form of government?
<answer> Switzerland is a form of federal government. <context> chief of state: President of the Swiss Confederation Doris LEUTHARD (since 1 January 2017); Vice President Alain BERSET (since 1 January 2017; note - the Federal Council, which is comprised of 7 federal councillors, constitutes the federal government of Switzerland; council members rotate in a 1-year term as federal president (chief of state and head of government)