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What is the purpose of the re.sub() function in Python?

What is the purpose of the re.sub() function in Python? Correct Answer It replaces occurrences of a pattern with a specified string

Related Questions

In a renowned software development company of 240 computer programmers 102 employees are proficient in Java, 86 in C#, 126 in Python, 41 in C# and Java, 37 in Java and Python, 23 in C# and Python, and just 10 programmers are proficient in all three languages. How many computer programmers are there those are not proficient in any of these three languages?
In python we do not specify types, it is directly interpreted by the compiler, so consider the following operation to be performed.
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What is the purpose of the str() function in Python?