如何访问for循环中的字符串值？

string = "Hello World"
for char in string:
    print(char)

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String string = "Hello World";
for (char c : string.toCharArray()) {
    System.out.println(c);
}

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var string = "Hello World";
for (var i = 0; i < string.length; i++) {
    console.log(string[i]);
}

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