> For the complete documentation index, see [llms.txt](https://www.csprinciples.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.csprinciples.com/25-26/session-16.md).

# Session 16

## Source Code

```lua
print("Session 16")

-- define main function
function main()
    print("Main Function")
    local done = false
    local choice = nil
    while not done do
        print("Menu")
        print("E1 - Example 1")
        print("Q - Quit")
        io.write("Choice: ")
        choice = io.read()
        if choice == "E1" then
            print("Example 1")
            -- call Example 1 Function


        elseif choice == "E2" then
            print("Example 2")
            -- call Example 1 Function twice


        elseif choice == "E3" then
            print("Example 3")
            -- call Example 3 Function


        elseif choice == "E4" then
            print("Example 4")
            -- call Example 4 Function
  

        elseif choice == "E5" then
            print("Example 5")
            -- call Example 5 Function


        elseif choice == "E6" then
            print("Example 6")
            -- call Example 6 Function
            
            
        elseif choice == "E7" then
            print("Example 7)
            -- call Example 7 Function


        elseif choice == "E8" then
            print("Example 8")
            -- call Example 8 Function
            
            
        elseif choice == "Q" then
            done = true
        else
            print("Invalid Choice")
        end
    end
end

-- define Example 1 Function


-- define Example 3 Function


-- define Example 4 Function


-- define Example 5 Function


-- define Example 6 Function


-- define Example 7 Function


-- define Example 8 Function


-- call main function, do not delete!
main()
```

## s16problem1.lua

```lua
-- main function
function main()
    -- call problem1 function

end

-- problem1 function definition


-- call to main function
main()
```

## s16problem2.lua

```lua
-- main function
function main()
    -- call problem2 function

end

-- problem2 function definition


-- call to main function
main()
```

## s16problem3.lua

```lua
-- main function
function main()
    -- call problem3 function

end

-- problem3 function definition


-- call to main function
main()
```

## s16problem4.lua

```lua
-- main function
function main()
    -- call problem4 function

end

-- problem4 function definition


-- call to main function
main()
```

## s16problem5.lua

```lua
-- main function
function main()
    -- call problem5 function

end

-- problem5 function definition


-- call to main function
main()
```

## s16problem6.lua

```lua
-- main function
function main()
    -- call problem6 function

end

-- problem6 function definition


-- call to main function
main()
```

## s16problem7.lua

```lua
-- main function
function main()
    -- call problem7 function

end

-- problem7 function definition


-- call to main function
main()
```

## s16problem8.lua

```lua
-- main function
function main()
    -- call problem8 function

end

-- problem8 function definition


-- call to main function
main()
```

## s16problem9.lua

```lua
-- main function
function main()
    -- call problem9 function

end

-- problem9 function definition


-- call to main function
main()
```


---

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