在字典上迭代时如何快速避免重复键错误 [英] How to avoid duplicate key error in swift when iterating over a dictionary

问题描述

我正在练习快速，并且尝试遍历Dictionary以打印键，但这给了我

I'm practicing swift and I'm trying to iterate over a Dictionary to print the key, but it gives me a

严重错误:字典文字包含重复的键

fatal error: Dictionary literal contains duplicate keys

如何清除错误?

let people = ["age":14, "age":15, "age":75, "age":43, "age":103, "age":87, "age":12]
for (key, value) in people {
    print(value)
}

推荐答案

每个字典键必须唯一

let people = ["age1":14, "age2":15, "age3":75, "age4":43, "age5":103, "age6":87, "age7":12]
for (key, value) in people {
    print(value)
}

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