Nigeria government; the leader is elected by popular vote to a maximum of two 4-year terms. In the 28 March 2015 presidential election, General Muhammadu Buhari emerged victorious to become the President of the Federal Republic of Nigeria, defeating then-incumbent Dr Goodluck Jonathan. The president's power is checked by a Senate and a House of Representatives, which are combined in a bicameral body called the National Assembly. The Senate is a 109-seat body with three members from each state and one from the capital region of Abuja; members are elected by popular vote to four-year terms. The House contains 360 seats,
S-expression be manipulated by M-expressions, but the first implementation of Lisp was an interpreter of S-expression encodings of M-expressions, and Lisp programmers soon became accustomed to using S-expressions for both code and data. This means that Lisp is homoiconic, that is, the primary representation of programs is also a data structure in a primitive type of the language itself. Nested lists can be written as S-expressions: codice_20 is a two-element S-expression whose elements are also two-element S-expressions. The whitespace-separated notation used in Lisp (and this article) is typical. Line breaks (newline characters) usually qualify as separators. This is a simple context-free