Update 03_Strings_and_Characters.md
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@ -631,6 +631,11 @@ let dogString = "Dog‼🐶"
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</tr>
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</table>
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如果表格无法正确显示,请参考下图:
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```swift
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for codeUnit in dogString.utf8 {
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print("\(codeUnit) ", terminator: "")
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@ -674,6 +679,11 @@ print("")
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</tr>
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</table>
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如果表格无法正确显示,请参考下图:
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```swift
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for codeUnit in dogString.utf16 {
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print("\(codeUnit) ", terminator: "")
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