File 4
To’rtta fayl nomi berilgan.Joriy katalogdagi berilgan nomli fayllar sonini toping
Kod (Python)
from os import listdir
from os.path import isfile, join
my_files = ['file01.py', 'file02.py', 'file022.txt', 'file03.py', 'file03.txt', 'file44.py']
print("Искомые файлы:")
print(my_files)
mypath = "."
onlyfiles = [f for f in listdir(mypath) if isfile(join(mypath, f))]
print("Имеющиеся файлы:")
print(onlyfiles)
set1 = set(my_files).intersection(onlyfiles)
print("Найденные файлы:")
print(set1)
print("Количество найденных файлов:", len(set1))
File 5
Butun sonlar faylining nomi berilgan.Berilgan fayldagi elementlar sonini toping .Agar bir xil nomdagi fayl bo’lmasa -1 ni chop eting.
Kod (Python)
N = 0
try:
with open('integers.txt','r') as f:
for line in f:
N += 1
print(N,"=>",int(line))
except IOError:
print("Fayl topilmadi ")
print("Elementlar miqdori : ", N)
File 6
K butun soni va manfiy bo’lmagan butun sonlarni o’z ichiga olgan fayl berilgan.Faylning K-elementini chop eting (elementlar 1 dan raqamlangan ).Agar bunday element bo’lmasa , -1 ni chop eting.
Kod (Python)
import random
K = random.randrange(1,11)
print("K:",K)
N = 0
try:
with open('integers.txt','r') as f:
for line in f:
N += 1
print(N,"=>",int(line))
if N == K:
break
except IOError:
print("Файл не найден")
if N == K:
print("Result:",K,"=>",int(line))
else:
print(-1)
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