JavaScript String substr() method : The substr() method is used to extract the sub-string from a string. It counts the index from 0. It returns the number of characters starts from the first parameter ...
Write a function that will receive a subject string and substring as arguments and return the position of the first occurence of the substring in the subject string, or -1 if it does not exist. In ...
print(f"The substring '{substring}' is found in '{main_string}'.") ...
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