1. Discuss the implementation methods used by the following programming languages: a. Prolog b. Java c. LISP d. Python 2. Good language readability can improve writability. Good language writability is detrimental to readability. (a) Which one of the above two statements is correct and which one is wrong? (b) Give your explanation. 3. Differentiate between primitive and non-primitive data types. List at least 4 primitive data types supported each by C++, Java, Python and Perl. 4. Write programs to find the sum of elements of an array of n numbers in both Python and Java. Which of the two programs has higher degree of readability and why? 5. What is meant by scope and lifetime of a variable? Explain with the help of an example program