You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: price.go
    path of file: ./repos/cointop/cmd/commands
    
    the code of the file until where you have to start completion: package cmd

import (
	"errors"

	"github.com/cointop-sh/cointop/cointop"
	"github.com/spf13/cobra"
)

// PriceCmd ...
func PriceCmd() *cobra.Command {
	var apiChoice string
	var coin string
	var coins []string
	var currency string

	priceCmd := &cobra.Command{
		Use:   "price",
		Short: "Displays the current price of coin(s)",
		Long:  `The price command display the current price of a coin`,
		RunE: func(cmd *cobra.Command, args []string) error {
			if coin != "" {
				if len(coins) > 0 {
					return errors.New("flags --coin and --coins cannot be used at the same time")
				}
				coins = append(coins, coin)
			}
			return cointop.Pri
    
func PriceCmd() *cobra.Command {
	var apiChoice string
	var coin string
	var coins []string
	var currency string

	priceCmd := &cobra.Command{
		Use:   "price",
		Short: "Displays the current price of coin(s)",
		Long:  `The price command display the current price of a coin`,
		RunE: func(cmd *cobra.Command, args []string) error {
			if coin != "" {
				if len(coins) > 0 {
					return errors.New("flags --coin and --coins cannot be used at the same time")
				}
				coins = append(coins, coin)
			}
			return cointop.PrintPrices(&cointop.PricesConfig{
				Coins:     coins,
				Currency:  currency,
				APIChoice: apiChoice,
			})
		},
	}

	priceCmd.Flags().StringSliceVarP(&coins, "coins", "c", nil, "Name or symbol of coin(s), comma separated. E.g. \"Bitcoin\" Eg. \"btc,eth,doge\"")
	priceCmd.Flags().StringVarP(&coin, "coin", "", "", "Name or symbol of coin. Alias for --coins")
	priceCmd.Flags().StringVarP(&currency, "currency", "f", "USD", "The currency to convert to")
	priceCmd.Flags().StringVarP(&apiChoice, "api", "a", cointop.CoinGecko, "API choice. Available choices are \"coinmarketcap\" and \"coingecko\"")

	return priceCmd
}