The result of evaluating the expression '1
The list containing the characters for alert and z
The list containing the list containing nil
The multiplication of the identifier a and 3
The application of the function foo to the string "ab" and the identifier z
The application of the function = to the numbers 3 and 4
The if expression which compares the numerical values of a and b returning either the string same or the string different
The if expression which compares the numerical values of a and b returning the smaller of the two
The cond expression which returns the symbols negative, zero or positive, depending on the corresponding value of the identifier x
The let expression that binds a to b and b to a and returns the result of applying foo to them
The result of evaluating the above expression when a is 2, b is 3 and foo is +
The let* expression that binds a to b and b to a and returns the result of applying foo to them
The if expression which takes the values of a and b and if the result of (f a b) is true, does nothing, and if it is false, assigns b to a
The expression that exchanges the values of a and b