105 lines
2.1 KiB
Go
105 lines
2.1 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"fmt"
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"strconv"
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"strings"
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)
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func main() {
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const (
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header = "Location,Size,Beds,Baths,Price"
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data = `New York,100,2,1,100000
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New York,150,3,2,200000
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Paris,200,4,3,400000
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Istanbul,500,10,5,1000000`
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separator = ","
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)
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var (
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locs []string
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sizes, beds, baths, prices []int
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)
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rows := strings.Split(data, "\n")
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for _, row := range rows {
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cols := strings.Split(row, separator)
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locs = append(locs, cols[0])
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n, _ := strconv.Atoi(cols[1])
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sizes = append(sizes, n)
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n, _ = strconv.Atoi(cols[2])
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beds = append(beds, n)
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n, _ = strconv.Atoi(cols[3])
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baths = append(baths, n)
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n, _ = strconv.Atoi(cols[4])
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prices = append(prices, n)
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}
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for _, h := range strings.Split(header, separator) {
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fmt.Printf("%-15s", h)
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}
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fmt.Printf("\n%s\n", strings.Repeat("=", 75))
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for i := range rows {
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fmt.Printf("%-15s", locs[i])
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fmt.Printf("%-15d", sizes[i])
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fmt.Printf("%-15d", beds[i])
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fmt.Printf("%-15d", baths[i])
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fmt.Printf("%-15d", prices[i])
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fmt.Println()
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}
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// -------------------------------------------------------------------------
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// print the averages
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//
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// evil note:
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// later on, you will see how easy it would be to solve this
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// using the functions instead. there are a lot of repetitive code here.
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// -------------------------------------------------------------------------
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fmt.Printf("\n%s\n", strings.Repeat("=", 75))
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// jump over the location column
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fmt.Printf("%-15s", "")
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var sum int
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for _, n := range sizes {
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sum += n
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}
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fmt.Printf("%-15.2f", float64(sum)/float64(len(sizes)))
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sum = 0
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for _, n := range beds {
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sum += n
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}
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fmt.Printf("%-15.2f", float64(sum)/float64(len(beds)))
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sum = 0
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for _, n := range baths {
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sum += n
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}
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fmt.Printf("%-15.2f", float64(sum)/float64(len(baths)))
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sum = 0
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for _, n := range prices {
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sum += n
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}
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fmt.Printf("%-15.2f", float64(sum)/float64(len(prices)))
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fmt.Println()
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}
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