Problem Name: Python - Hex Color Code

Problem Link:

In this HackerRank Functions in PYTHON problem solution,

CSS colors are defined using a hexadecimal (HEX) notation for the combination of Red, Green, and Blue color values (RGB).


Specifications of HEX Color Code

■ It must start with a '#' symbol.
■ It can have 3 or 6 digits.
■ Each digit is in the range of 0 to F (1,2,3,4,5,6,7,8,9,0,A,B,C,D,E and F.
A - F letters can be lower case. (a,b,c,d,e and f are also valid digits).



Valid Hex Color Codes

Invalid Hex Color Codes

You are given N lines of CSS code. Your task is to print all valid Hex Color Codes, in order of their occurrence from top to bottom.

CSS Code Pattern


	Property: Value;


Input Format

The first line contains N ,the number of code lines.
The next N lines contains CSS Codes.


0 < N < 50

Output Format

Output the color codes with '#' symbols on separate lines.

Sample Input

    color: #FfFdF8; background-color:#aef;
    font-size: 123px;
    background: -webkit-linear-gradient(top, #f9f9f9, #fff);
    background-color: #ABC;
    border: 2px dashed #fff;

Sample Output



#BED and #Cab satisfy the Hex Color Code criteria, but they are used as selectors and not as color codes in the given CSS.


Hence, the valid color codes are:



Note: There are no comments ( // or /* */) in CSS Code.






Code Examples

#1 Code Example with Python Programming

Code - Python Programming

import re 
n = int(input())
text = '\n'.join([input() for _ in range(n)])
pattern = re.compile(r'(?<=.)#[0-9a-fA-F]{3,6}')
matches = pattern.findall(text)
[print(match) for match in matches]
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