0305class

print ("Enter a string of characters:")
var test_string=readLine()!
let the highest_count=0
let the highest_char:Character="-"
test_string.forEach { char in
    print("character = \(char)")
}


func mostFrequentCharacter(_ input: String) -> Character? {
    var charCounts = [Character: Int]()
    
    for char in input {
        charCounts[char, default: 0] += 1
    }
    
    var maxCount = 0
    var mostFrequentChar: Character?
    
    for (char, count) in charCounts {
        if count > maxCount {
            maxCount = count
            mostFrequentChar = char
        }
    }
    
    return mostFrequentChar
}
print(mostFrequentChar)

print ("Enter a string of characters:")
var test_string=readLine()!
let the highest_count=0
let the highest_char:Character="-"
test_string.forEach { char in
    print("character = \(char)")
}


func mostFrequentCharacter(_ input: String) -> Character? {
    var charCounts = [Character: Int]()
    
    for char in input {
        charCounts[char, default: 0] += 1
    }
    
    var maxCount = 0
    var mostFrequentChar: Character?
    
    for (char, count) in charCounts {
        if count > maxCount {
            maxCount = count
            mostFrequentChar = char
        }
    }
    
    return mostFrequentChar
}
print(mostFrequentChar)

print ("Enter a string of characters:")
var test_string=readLine()!
let the highest_count=0
let the highest_char:Character="-"
test_string.forEach { char in
    print("character = \(char)")
}


func mostFrequentCharacter(_ input: String) -> Character? {
    var charCounts = [Character: Int]()
    
    for char in input {
        charCounts[char, default: 0] += 1
    }
    
    var maxCount = 0
    var mostFrequentChar: Character?
    
    for (char, count) in charCounts {
        if count > maxCount {
            maxCount = count
            mostFrequentChar = char
        }
    }
    
    return mostFrequentChar
}
print(mostFrequentChar)