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Python programming language is abundant in optimal solutions for problems that take a lot of effort and complex code in other programming languages. One of the reason python has picked up a lot of popularity in the last decade was because of the readability and easy syntax that it comes with. One such concept is reversing a string in python. Python has a lot of solutions for this particular problem. In this blog, we will discuss various ways to reverse a string in python. The following topics are discussed in this article:
A string is an immutable data type in python which cannot be changed once we declare it in a program. We use single or double quotes to declare a string in python. Following is an example to show how you can declare a string in python.
name = "edureka" course = 'python' print(name) print(course)
Output: edureka python
To access the value in a string, we can use indexes. Indexes are locations for specific characters in a string. For example, if we have a string “edureka”, the index at the character ‘e’ will be 0 and at the end of the string the index will be 6.
name = "edureka' print(name)
def rev(x): str = "" for i in s: str = i + str return str s = "edureka" print(rev(s))
def rev(s): if len(s) == 0: return s else: return rev(s[1:]) + s s = "edureka" print(rev(s))
name = "edureka" print(name[::-1]
def rev(s): s = "".join(reversed(s)) return s str = "edureka" print(rev(str))
In the above examples, we have reversed the string using different approaches. Python programming language works have a lot of applications in machine learning, artificial intelligence, data science, etc. With optimal functions and concepts, it becomes easier to work with python with efficient results. The increasing demand has catered to a lot of job opportunities for software professionals, which makes it extremely important to learn python. To master all the fundamental concepts enroll in edureka’s python certification program and kick-start your learning.
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