Food Functions - How do I do this practice exercise using Swift code? App Exercise - Food FunctionsNoteThese exercises reinforce Swift concepts in the context of a fitness tracking app.Suppose you want your fitness tracking app to give users the ability to log food. Once food has been logged, users should be able to go back and see what they ate at a specific meal.Write a function that takes a String parameter where you will pass in either "Breakfast", "Lunch", or "Dinner". The function should then return the Meal object associated with that meal, orreturn nil if the user hasn't logged that meal yet. Note that a Meal object and a dictionary, meals, representing the meal log have been created for you below. Call the function one or twice andprint the return value.11struct Meal {12var food: [String]13var calories: Int14}1516var meals: [String: Meal] = ["Breakfast": Meal(food: ["Bagel", "Orange Juice", "Egg Whites"], calories: 530)]1718iOS comes with a few different APIS for persistence, or saving data. You'll learn more about persistence in another lesson, but for now imagine what an app experience would be like if every timeyou opened the app all of your data was gone. That would be frustrating, right?Write a function that will check to see if your meal log (a dictionary like that in the previous exercise) is saved to the device. If it is, return the meal log. If it isn't, return an empty dictionary oftype [String: Any]. The code you should use in this exercise for retrieving something saved to the device is UserDefaults.standard.dictionary(forKey: "meallog").This code willreturn an optional [String: Any]. If it returns a value, that is your meal log. If it returns nil, then no meal log has been saved. Call the function and print the return value.

struct Meal {var food: [String]var calories: Int} var meals: [String: Meal] = ["Breakfast":…

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Food Functions - How do I do this practice exercise using Swift code?

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Question

Food Functions - How do I do this practice exercise using Swift code?

App Exercise - Food Functions
Note
These exercises reinforce Swift concepts in the context of a fitness tracking app.
Suppose you want your fitness tracking app to give users the ability to log food. Once food has been logged, users should be able to go back and see what they ate at a specific meal.
Write a function that takes a String parameter where you will pass in either "Breakfast", "Lunch", or "Dinner". The function should then return the Meal object associated with that meal, or
return nil if the user hasn't logged that meal yet. Note that a Meal object and a dictionary, meals, representing the meal log have been created for you below. Call the function one or twice and
print the return value.
11
struct Meal {
12
var food: [String]
13
var calories: Int
14
}
15
16
var meals: [String: Meal] = ["Breakfast": Meal(food: ["Bagel", "Orange Juice", "Egg Whites"], calories: 530)]
17
18
iOS comes with a few different APIS for persistence, or saving data. You'll learn more about persistence in another lesson, but for now imagine what an app experience would be like if every time
you opened the app all of your data was gone. That would be frustrating, right?
Write a function that will check to see if your meal log (a dictionary like that in the previous exercise) is saved to the device. If it is, return the meal log. If it isn't, return an empty dictionary of
type [String: Any]. The code you should use in this exercise for retrieving something saved to the device is UserDefaults.standard.dictionary(forKey: "meallog").This code will
return an optional [String: Any]. If it returns a value, that is your meal log. If it returns nil, then no meal log has been saved. Call the function and print the return value.

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