HackerRank Hex Color Code solution in python

In this Hex Color Code problem, 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.

Problem solution in Python 2 programming.

import re
reg1="{[^}]*}"
reg2="""(#(?:[0-9A-Fa-f]){3}|#(?:[0-9A-Fa-f]){6})[^0-9a-fA-F]"""
n=input()
s=""
for i in range(n): s+=raw_input()
x=re.findall(reg1,s)
for l in x:
    y=re.findall(reg2,l)
    #print l
    for z in y: print z

Problem solution in Python 3 programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
import re
N=int(input())

for i in range(0,N):
    s=input()

    x=s.split()

    if len(x)>1  and  '{' not in x:
        x=re.findall(r'#[a-fA-F0-9]{3,6}',s)
        [print(i) for  i in x]

Problem solution in pypy programming.

import re, sys

N = int(raw_input())
for _ in range(N):
    line = raw_input().strip()
    codes = [j for j in re.findall('[\s:](#[a-f0-9]{6}|#[a-f0-9]{3})[\s:;,)]', line, re.I)]
    for code in codes:
        print code

Problem solution in pypy3 programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT

import re

in_block = False
for x in range(int(input())):
    line = input()
    if '{' in line:
        in_block = True
        continue
    if '}' in line:
        in_block = False
        continue
        
    if in_block == True:
        m = re.findall(r'(#[a-fA-F0-9]{3,6})', line)
        if m:
            print(*m, sep='\n')