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How to detect lowercase letters in Python?

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I need to know if there is a function that detects the lowercase letters in a string. Say I started writing this program: s = input('Type a word') Would there be a function that lets me detect a lowercase letter within the string s? Possibly ending up with assigning those letters to a different variable, or just printing the lowercase letters or number of lowercase letters. While those would be what I would like to do with it I'm most interested in how to detect the presence of lowercase letters. The simplest methods would be welcome, I am only in an introductory python course so my teacher

Capital letters in class name PHP

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问题 I have two classes in my system. One is called file and second is File. On my localhost when i instantiate file i get file object, but my friend running the same script gets object of File like the capital letters were unrecognized and "file" was equal to "File". Is that some configurable thing? We are both running on Windows. I have WampServer, he has XAMPP. 回答1: PHP is case insensitive for the class naming. it means you can normally do $file = new file() even if the class is named File and

How to detect lowercase letters in Python?

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问题 I need to know if there is a function that detects the lowercase letters in a string. Say I started writing this program: s = input('Type a word') Would there be a function that lets me detect a lowercase letter within the string s? Possibly ending up with assigning those letters to a different variable, or just printing the lowercase letters or number of lowercase letters. While those would be what I would like to do with it I'm most interested in how to detect the presence of lowercase