Is initializing a variable with an uninitialized variable legal?
正在初始化一个变量未初始化的变量的法律？
As you may have discovered, it is legal to make more than one assignment to the same variable.
你可能已经发现了，对同一个变量可以多次进行赋值。
Make sure the input you type into the debugger window or QuickWatch dialog box represents a legal value for the variable you are trying to set.
确保键入到调试器窗口或“快速监视”对话框中的输入表示的是想要设置的变量的有效值。
The name of the function is print_lyrics. The rules for function names are the same as for variable names: letters, Numbers and underscore are legal, but the first character can't be a number.
函数的名字就是print_lyrics，函数的命名规则和变量命名规则基本差不多，都是字幕梳子或者下划线，但是不能用数字打头。
The name of the function is print_lyrics. The rules for function names are the same as for variable names: letters, Numbers and underscore are legal, but the first character can't be a number.
函数的名字就是print_lyrics，函数的命名规则和变量命名规则基本差不多，都是字幕梳子或者下划线，但是不能用数字打头。
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