Counter

Calculates the frequency of occurrence of letters in words.

How to use counter.go

go run counter.go I am testing the counter

output

C = 1
O = 1
R = 1
I = 2
A = 1
E = 3
S = 1
N = 2
G = 1
H = 1
U = 1
M = 1
T = 4