SICP Exercise 2.26 also do not need to explain too much, the main purpose of the topic is to let the reader understand the append cons list three operation differences.
Just run the start-test-2-26 procedure in the code below and you need to be aware of the append process, the cons process, and the use of the list process.
Better turn the Mit-schme reference manual, right, has not mentioned Mit-scheme manual, suggest everyone to download a spare, when needed to check
The links are as follows:
http://www.gnu.org/software/mit-scheme/
PDF version is available for download.
Here is the test code, it is recommended to write it again, do not copy me.
(Define X (List 1 2 3)) (Define Y (List 4 5 6)) (Define (START-TEST-2-26) (Display (append x y)) (newline) (Display (cons x y)) (newline) (Display (list x y)))
SICP exercises (2.26) Summary of problems: list operator append cons list