Created
March 7, 2015 16:15
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Emelt informatika érettségi 2014 május (e_inf_14maj)
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#!/usr/bin/python3 | |
# 1. feladat | |
cimek = open('ip.txt').readlines() | |
# 2. feladat | |
print("""2. feladat: | |
Az állományban {} darab adatsor van. | |
""".format(len(cimek))) | |
# 3. feladat | |
print("""3. feladat: | |
A legalacsonyabb tárolt IP-cím: | |
{}""".format(min(cimek))) | |
# 4. feladat | |
print("""4. feladat: | |
Dokumentációs cím: {} darab | |
Globális egyedi cím: {} darab | |
Helyi egyedi cím: {} darab | |
""".format(*tuple(map(sum,zip(*((x.startswith('2001:0db8'), x.startswith('2001:0e'), x.startswith('fc') or x.startswith('fd')) for x in cimek)))))) | |
# 5. feladat | |
open('sok.txt', 'w').writelines([str(i+1) + ' ' + cim for (i, cim) in enumerate(cimek) if cim.count('0') >= 18]) | |
# 6. feladat | |
print('6. feladat:') | |
n = int(input('Kérek egy sorszámot: ')) - 1 | |
cim = ':'.join(x.lstrip('0') or '0' for x in cimek[n].split(':')) | |
print('{}{}'.format(cimek[n], cim)) | |
# 7. feladat | |
print('7. feladat:') | |
for i in range(8,0,-1): | |
if ':0'*i in ':'+cim: | |
print((':'+cim).replace(':0'*i,':',1)[1:]) | |
break | |
else: | |
print('Nem rövidíthető tovább') |
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