10 lines
144 B
Ruby
Executable File
10 lines
144 B
Ruby
Executable File
#!/usr/bin/ruby
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# -*- coding: utf-8 -*-
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=begin
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배열의 평균값 구하기
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=end
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arr = [5, 7, 4, 3, 2, 9, 1, 6]
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puts arr.sum / arr.size.to_f |