Print(input[::-1]) import string

1. 
   print(input()[::-1])
   
2. 
   import string
   print(string.ascii_letters)
   
3. 
   for i in range(10):
   print(ord(input()))
   
4. 
   lst = ['hello', 'John', '12', 'gravity']
   print(lst)
   lst.remove('12')
   print(lst)
   
5. 
   lst = ['hello', 'John', '12', 'gravity']
   print(' '.join(lst))
   for i in lst:
   if i == '12':
   i = "o'zgartirilgan"
   print(i, end=' ')
   
6. 
   class Cars:
   emp_count = 0

   def __init__(self, car_name, cost):

   
   self.car_name = car_name
   self.cost = cost
   Cars.emp_count += 1

   def display_count_car(self):

   
   print('Mashinalar_soni: %d' % Cars.emp_count)

   def display_car(self):

   
   print('Mashina_markasi: {}. narxi: {}'.format(self.car_name, self.cost))
   
7. 
   country = {"O'zbekiston": 'Boy tarixga ega davlat', 'AQSh': 'Post-industrial davlat',
   "Buyuk Britaniya": 'Monarx davlat',
   1: 'Afrika davlati'}
   for i in country:
   if input() == i:
   print(country[i])
   
8. 
   def sort_number(lst: list):
   for i in range(len(lst)):
   lowest = i
   for j in range(i + 1, len(lst)):
   if lst[j] < lst[lowest]:
   lowest = j
   lst[i], lst[lowest] = lst[lowest], lst[i]
   return lst
   

   lists = list(map(int, input().split()))

   
   print(sort_number(lists))
   
9. 
   def sort_number(lst: list):
   for i in range(len(lst)):
   lowest = i
   for j in range(i + 1, len(lst)):
   if lst[j] > lst[lowest]:
   lowest = j
   lst[i], lst[lowest] = lst[lowest], lst[i]
   return lst
   

   lists = list(map(int, input().split()))

   
   print(sort_number(lists))
   
10. 
    a = input()
    dic = {'1': 'bir', '2': 'ikki', '3': 'uch', '4': "to'rt", '5': 'besh', '6': 'olti', '7': 'yetti', '8': 'sakkiz',
    '9': "to'qqiz",
    '10': "o'n",
    '20': 'yigirma', '30': "o'ttiz", '40': 'qirq', '50': 'ellik', '60': 'oltmish', '70': 'yetmish', '80': 'qirq',
    '90': "to'qson"}
    print(dic[a[0]] + ' ming ' + dic[a[1]] + ' yuz ' + dic[str(int(a[2]) * 10)] + ' ' + dic[a[3]])
    
11. 
    a = int(input())
    print(str(a)[0], str(a)[1])
    
12. 
    fruit = {'olma': 'Olma tarkibida temir moddasi bor', 'anor': 'Rangi qizil', 'behi': 'Kuzda pishadi'}
    for i in fruit:
    if input() == i:
    print(fruit[i])
    
13. 
    a = input()
    dic = {'1': 'bir', '2': 'ikki', '3': 'uch', '4': "to'rt", '5': 'besh', '6': 'olti', '7': 'yetti', '8': 'sakkiz',
    '9': "to'qqiz",
    '10': "o'n",
    '20': 'yigirma', '30': "o'ttiz", '40': 'qirq', '50': 'ellik', '60': 'oltmish', '70': 'yetmish', '80': 'qirq',
    '90': "to'qson"}
    print(dic[a[0]] + ' yuz ' + dic[str(int(a[1]) * 10)] + ' ' + dic[a[2]])
    

16. class Buildings:
bld_count = 0

def __init__(self, bino_nomi, bino_uzunligi):

self.bino_nomi = bino_nomi
self.bino_uzunligi = bino_uzunligi
Buildings.bld_count += 1

def building(self):

print('Mashinalar_soni: %d' % Buildings.bld_count)