The city shall have power to acquire by purchase, gift, devise, or condemnation any property either within or without its corporate boundaries for any municipal purpose, for the purpose of protecting, preserving, or facilitating any improvements, for the purpose of bringing about such development of property along or in the vicinity of an improvement as will make the development harmonious with and adjusted to the improvement, or for any combination of such purposes. The city shall also have power to acquire by condemnation property in excess of that needed for the actual improvement and to sell or lease the excess of that needed for the actual improvement and to sell or lease the excess with such building and use restrictions and conditions as will tend to make its development harmonious with and adjusted to adjacent public improvements. The city shall have power to provide for the payment of any part or all of the cost of land or other property acquired for public use, of the cost of constructing, reconstructing, repairing, operating or maintaining any structure or work in the nature of a public facility or improvement including a public utility, and of the cost of any other public work or service by levying and collecting assessments upon the property specially benefited thereby.