dictLooping.swift

var dict = ["blue": 2, "grey": 1, "red": 2]

// for-each loop
dict.forEach { pair in
    print(pair)
}

// for-in loop
for pair in dict {
    print(pair)
}
for (key, val) in dict {
    print("key: \(key), value: \(val)")
}
for keys in dict.keys {
    print(keys)
}
for values in dict.values {
    print(values)
}
for (ind, pair) in dict.enumerated() {
    print("index: \(ind), with pair: \(pair)")
}