A podiatrist is a Dr. that diagnoses and treats conditions affecting the foot, ankle and related structures of the leg.
The author's feelings about the subject or topic is called the author's opinion, or voice.
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The <u>lower()</u> method returns a copy of the string with all the alphabetic letters converted to lower case.
<h3>What is meant by String functions?</h3>
Access expressions that alter text in a variety of ways can be made using string functions. For instance, you might wish to have a form just show a portion of a serial number. Alternatively, you might need to combine (concatenate) many strings, like a first and last name.
The majority of contemporary programming languages have built-in or library facilities for handling strings. Case conversion, comparison, concatenation, find, join, length, reverse, split, substring, and trim are typical examples. toupper(), tolower(), ToUpper(), ToLower(), and so on.
To learn more about string functions from given link
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