- def is_anyone_in(collection, city): 
- 	for name, ct in collection.items(): 
- 		if ct == city: 
- 			print('В городе ' + city + ' живёт ' + name + '.') 
-   
- friends = { 
- 	'Серёга': 'Омск',  
- 	'Соня': 'Москва',  
- 	'zxcv': 'Хабаровск',  
- 	'Дима': 'Челябинск',  
- 	'Алина': 'Хабаровск',  
- 	'Егор': 'Пермь' 
- } 
-   
- is_anyone_in(friends, 'Хабаровск') 
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