# Hints

## General

- [Introduction to string methods in Python][string-method-docs]

## 1. Capitalize the title of the paper

- You can use [string methods][title-method-docs] to capitalize the title properly.

## 2. Check if each sentence ends with a period

- You can use [string methods][endswith-method-docs] to check the ending of a string.

## 3. Clean up spacing

- You can use [string methods][strip-method-docs] to remove whitespace.

## 4. Replace words with a synonym

- You can use [string methods][replace-method-docs] to replace words.

[string-method-docs]: https://docs.python.org/3/library/stdtypes.html#string-methods
[title-method-docs]: https://docs.python.org/3/library/stdtypes.html#str.title
[endswith-method-docs]: https://docs.python.org/3/library/stdtypes.html#str.endswith
[strip-method-docs]: https://docs.python.org/3/library/stdtypes.html#str.strip
[replace-method-docs]: https://docs.python.org/3/library/stdtypes.html#str.replace
