main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
)
// ---------------------------------------------------------
// EXERCISE: Sphere Volume
//
// 1. Get the radius from the command-line
// 2. Convert it to a float64
// 3. Calculate the volume of a sphere
//
// SPHERE VOLUME FORMULA
// https://en.wikipedia.org/wiki/Sphere#Enclosed_volume
//
// RESTRICTION
// Use `math.Pow` to calculate the volume
//
// EXPECTED OUTPUT
// go run main.go 10
// 4188.79
//
// go run main.go .5
// 0.52
// ---------------------------------------------------------
func main() {
var radius, vol float64
// ADD YOUR CODE HERE
// ...
// DO NOT TOUCH THIS
fmt.Printf("radius: %g -> volume: %.2f\n", radius, vol)
}
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