• 函数首先解析选项第二(第一个词名字),将变为大写形式,然后比较两个字符串返回-1、10

    This function first parses the second word from the option (the first word being the first name), changes it to upper case, and then compares the two strings and returns a -1, 1, or 0.

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  • or UPPER U CASE (p. d escription)返回一个字符串其中输入中的所有字母字符转换大写

    UCASE, or upper UCASE (p.description) Returns a character string in which all alphabetical characters in the input value have been converted to uppercase.

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  • 有时候建立列表需要遍历另一个列表。比如下面的这个函数就接收字符串列表,将所有字符串变为大写字母组成的,然后返回一个这些大写字符串组成的列表。

    Sometimes you want to traverse one list while building another. For example, the following function takes a list of strings and returns a new list that contains capitalized strings.

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  • 函数的作用是:返回字符串小写大写数组说明。

    The array_change_key_case function returns an array with all array KEYS in lower case or upper case.

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  • 返回一个字符串,该字符串中的所有字母转换大写字母

    Returns a string where all alphabetic characters have been converted to uppercase.

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  • 返回一个字符串,该字符串中的所有字母转换大写字母

    Returns a string where all alphabetic characters have been converted to uppercase.

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