22 lines
342 B
Go
22 lines
342 B
Go
package main
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import (
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"fmt"
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"headfirstgo/headfirstgo/chapter5/datafile"
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"log"
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)
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func main() {
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numbers, err := datafile.GetFloats("data.txt")
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if err != nil {
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log.Fatal(err)
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}
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var sum float64 = 0
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for _, num := range numbers {
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sum += num
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}
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sampleCount := float64(len(numbers))
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fmt.Printf("Average: %0.2f\n", sum/sampleCount)
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}
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