Theory

Preprocessing

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Preprocess the input text as follows:

  • Remove punctuation characters (commas, periods, exclamation marks, and question marks: ,.!?)

  • Convert all characters to lowercase

Then print the processed text.

Note: Punctuation characters may appear anywhere in the input string, not just at the end. You can remove them using the following method: str.replace("!", ""). Replacing a character with an empty string effectively removes it.

Sample Input 1: 

Nobody expects the Spanish inquisition! And you?!

Sample Output 1: 

nobody expects the spanish inquisition and you
Write a program in Python 3





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