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: The while True ensures the code keeps searching until every instance is gone, which is necessary if the letter appears multiple times (e.g., removing "na" from "banana"). Alternative (Standard Python)

The prompt likely refers to from the CodeHS Python curriculum. This exercise requires you to write a function that removes every instance of a specific "letter" (or substring) from a given word. Correct Python Implementation 7.6 / 10 123...

: This method returns the starting index of the first occurrence of letter . If it isn't found, it returns -1 . : The while True ensures the code keeps

You can solve this using a while loop to repeatedly find and remove the target substring until it no longer exists in the word. 7.6 / 10 123...