There shall be a City Council of seven members, consisting of the elected Councilmen and the Mayor, who shall be deemed a member of the Council for all purposes. The Council shall constitute the legislative and governing body of the city and shall have power and authority, except as otherwise provided in this Charter or by statute, to exercise all powers conferred upon or possessed by the city, and shall have the power and authority to adopt such laws, ordinances, and resolutions as it shall deem proper in the exercise thereof.