Step 12

This program inputs 2 numbers. What does it do with them?

It does not say
input a
input b
output b
output a
What does it do with the values of the variables a and b?

Program 12-1

Write a program which will input values for variables a and b. It should then exchange them, twice. What do you expect the result is?

Index

Input:
Output:
Score:
Line
Statement
Var
Now
Next
1
a
 
2
b
 
3
c
 
4
d
 
5
e
 
6
7
8
9
10
11
12
13