занятие

Проверка присутствия

file = open(‘input.txt’,’r’)
N = int(file.readline())
K = int(file.readline())
I = int(file.readline())
file.close()
with open('output.txt', 'w')

N=list(input())
N.sort(reverse=True)
print(''.join(N))
‘2345’
[‘2’,’3’,’4’,’5’]
[‘5’,’4’,’3’,’2’]
5432

40 20 31 33 19
44 23 22 3 -81

with open('input.txt') as f:
f.readline()
x = list(map(int, f.readline().split()))
with open('output.txt', 'w') as f:
f.write('

f = open('input.txt')
for line in f:
n=int(line)
f.close()
a=[]
for i in range(n):

def fib(n):
if n < 3:
return 1
return fib(n-1) + fib(n-2)
print(fib(int(input())))
5
3+ 2=5
2+ 1

string = input()
while 'fu' in string:
string = string.replace('fu', '')
print(string)

f = open('input.txt')
i=1
for line in f:
if i==1:
N_1, N_2 =

{name:’helen’, year:2020}