Smalltalk Exercises.

st> Array with: 2!
Array new: 1 "<0x40345e68>"
st> Array with: 2 with:3!
Array new: 2 "<0x40345ef8>"
st> Array with: 2 with:3 with:4!
Array new: 3 "<0x40345f88>"
st> x := Array with:2 with:3 with:4 !
Array new: 3 "<0x40346018>"
st> x printNl!
(2 3 4 )
st> x add: 5!
Object: Array new: 3 "<0x40346018>" error:

st> x := OrderedCollection new!
OrderedCollection new: 16 "<0x40346fd0>"
st> x add: 3!
3
st> x printNl!
OrderedCollection (3 )

1. Given 3 integers, produce a pair consisting of the smallest and largest.
2. Given 3 integers, produce a list of the three in sorted order.
3. Round a number to the nearest tenth.
   4.67 floor -> 4
   2.5 / 2 -> 1.25
   15 // 7 -> 2
   15 \\ 7 -> 1
   2 + 3 * 4 -> 20

4. Given a list, return a list with its 2nd element deleted.

5. Given a list, return a list with its nth element deleted.

6. Write a factorial function.

7. Given an integer i and a list L, cycle L to the left i times.

8. Duplicate each element of a list.

9. Compute the largest element in a list of reals.

10. Given a list, swap each pair of elements in the list.

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