(python) Write a function that will return the first word in a sentence.  Call the function first_word. Bonus tasks to handle (1 point each):  There can be dots and commas in a string. A string can start with a letter or, for example, a dot or space. The whole text can be represented with one word and that's it. Input: A string. Return: Noting is outputted Return: A string.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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(python)

Write a function that will return the first word in a sentence.  Call the function first_word.

Bonus tasks to handle (1 point each): 

  • There can be dots and commas in a string.
  • A string can start with a letter or, for example, a dot or space.
  • The whole text can be represented with one word and that's it.

Input: A string.

Return: Noting is outputted

Return: A string.

### Example Function Call and Returned Value

1. `first_word("Hello world")` => `"Hello"`

2. `first_word("greetings, friends")` => `"greetings"`

The function `first_word` extracts the first word from a given string input. In the examples above, it returns the initial word of the sentence passed to it.
Transcribed Image Text:### Example Function Call and Returned Value 1. `first_word("Hello world")` => `"Hello"` 2. `first_word("greetings, friends")` => `"greetings"` The function `first_word` extracts the first word from a given string input. In the examples above, it returns the initial word of the sentence passed to it.
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