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Challenge 1: "Count Letters (A..Z)
Create a script that accepts one or more files specified on the
command-line and count the number of times letters appeared in the files.
So with the following input file sample.txt:
The quick brown fox jumps over the lazy dog.
the script would display something like:
a: 1
b: 1
c: 1
d: 1
e: 3
f: 1
g: 1
h: 2
i: 1
j: 1
k: 1
l: 1
m: 1
n: 1
o: 4
p: 1
q: 1
r: 2
s: 1
t: 2
u: 2
v: 1
w: 1
x: 1
y: 1
z: 1
"
My notes: trivial.
Challenge 2: "Formatted Multiplication Table
Write a script to print 11x11 multiplication table, only the top half triangle.
x| 1 2 3 4 5 6 7 8 9 10 11
---+--------------------------------------------
1| 1 2 3 4 5 6 7 8 9 10 11
2| 4 6 8 10 12 14 16 18 20 22
3| 9 12 15 18 21 24 27 30 33
4| 16 20 24 28 32 36 40 44
5| 25 30 35 40 45 50 55
6| 36 42 48 54 60 66
7| 49 56 63 70 77
8| 64 72 80 88
9| 81 90 99
10| 100 110
11| 121
"
My notes: trivial.
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