Update README fille

Jenni-Foued · Feb 6, 2022 · 8e3af3c · 8e3af3c
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 # printf
+![alt text](https://s3.amazonaws.com/intranet-projects-files/holbertonschool-low_level_programming/228/printf.png)
 
-Creating my own printf function.
+## Description
+_printf is a custom implementation of C printf program function . It produces an output according to format described. It writes output in stdout (standard output stream).
+
+## Usage
+
+### String
+
+* Input: _printf("%s\n", 'Awesome, isn't it?');
+* Output: Awesome, isn't it?
+
+### Character
+
+* Input: _printf("Just a char %c\n", 'F');
+* Output: Just a char F
+
+### Integer
+
+* Input: _printf("Here we number %i\n", 23);
+* Output: Here we have number 23
+
+### Decimal:
+
+* Input: _printf("%d\n", 1000);
+* Output: 1000
+
+## Authors
+
+Med Foued Jenni [![Github URL](https://img.shields.io/badge/GitHub-100000?style=for-the-badge&logo=github&logoColor=white)](https://github.com/Jenni-Foued) </br>
+Hadir Jenny [![Github URL](https://img.shields.io/badge/GitHub-100000?style=for-the-badge&logo=github&logoColor=white)](https://github.com/JennyHadir/)