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How to String Manipulation using List Comprehension in Python

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by vsasikalabe dot icon Updated: Jan 31, 2023

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String manipulation refers to the process of manipulating strings, which are sequences of characters. This can include operations like concatenation, splitting, replacement, and more. It is a common task in programming languages and can be used for different purposes:  

  • Data validation: String manipulation can be used to check if a string meets certain requirements, such as a valid email address or phone number.  
  • Text processing: String manipulation can be used to clean and preprocess text data, such as removing unwanted characters or converting all text to lowercase.  
  • File manipulation: String manipulation can be used to extract information from a file name or manipulating a file’s contents.  


List comprehension can manipulate strings by converting them to a list of characters and then applying the desired operation. List comprehension also has other uses:  

  • You can also use list comprehension to filter specific characters or substrings from a string.  
  • You can also use list comprehension to perform other string manipulation tasks, like applying a function to every string’s character, extracting certain substrings from the string, etc.  


For more information about string manipulation using list comprehension in Python, refer to the code below.  

Fig : Preview of the output that you will get on running this code from your IDE.

Code

String manipulation using list comprehension

PythondotLines of Code : 6dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
def myfunc(word):
    return ''.join([word[i].upper() if i%2==0 else word[i].lower() for i in range(len(word))])

print(myfunc("hello world"))
# HeLlo WoRlD

Instructions

Follow the steps carefully to get the output easily.

  1. Download and Install the PyCharm Community Edition on your computer.
  2. Create new python file on your IDE.
  3. Copy the snippet using the 'copy' button and paste it in your python file.
  4. Run the current file to generate the output.


I hope you found this useful.


I found this code snippet by searching for ' String manipulation using list comprehension in Python 'in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in PyCharm 2021.3.
  2. The solution is tested on Python 3.9.7.


Using this solution, we are able to do String manipulation using list comprehension in Python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to do String manipulation using list comprehension in Python.

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