Chapter 4 Discussion
Absence Interpretation
| Periods Absent | Probability of all day absence |
|---|---|
| a >= 6 | 1.0 |
| a >= 3 | 0.5 |
| a < 3 | 0.0 |
Speaker
The “BAAB” pattern:
| Input | Pattern output |
|---|---|
| 1 | “welcome” |
| 2 | “students” |
| 3 | “students welcome welcome students” |
| 4 | “students welcome welcome students students students students welcome welcome students” |
| n | (previous output) (output before that) (output before that) (previous output) |
Trimult
Given a list of numbers, produce a list of all products of three terms in a row.
trimult [10,20,50] = [10000]trimult [1,2,3,4,5,6] = [6,24,60,120]
Second and third
| Input | Output |
|---|---|
| [1,5,10] | “The second and third items of [1,5,10] add to be 15” |
| [3,40,60,99] | “The second and third items of [3,40,60,99] add to be 100” |
Try two different ways!
Eighty-first
Find the eighty-first item in a list.
| Input | Output |
|---|---|
| [0,2..200] | 160 |
| [110,120..] | 910 |