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			% Programmation avec Python (Épisode 10) | 
		
		
	
		
			
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			% Dimitri Merejkowsky | 
		
		
	
		
			
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			# Quiz | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			print(0b110) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. 3 | 
		
		
	
		
			
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			2. 6 | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			print(0x1F) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. 31 | 
		
		
	
		
			
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			2. 12 | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			x = ord('c') - ord('a') | 
		
		
	
		
			
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			print(x) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. 2 | 
		
		
	
		
			
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			2. 'b' | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			n = ord('a') | 
		
		
	
		
			
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			y = chr(n + 4) | 
		
		
	
		
			
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			print(y) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. 3 | 
		
		
	
		
			
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			2. 'e' | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			data = bytearray(b"bonjour") | 
		
		
	
		
			
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			data[0] = 18 | 
		
		
	
		
			
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			print(data) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. `bytearray(b'\x12onjour')` | 
		
		
	
		
			
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			2. `bytearray(b'18onjour')` | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			message = "J'aime le café" | 
		
		
	
		
			
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			print(message.encode()) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. b"J'aime le cafe" | 
		
		
	
		
			
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			2. b"J'aime le caf\\xc3\\xa9" | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			message = "J'aime le caf\xc3\xa9" | 
		
		
	
		
			
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			print(message.decode()) | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. "J'aime le caf?" | 
		
		
	
		
			
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			2. "J'aime le café" | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			# le fichier message.txt contient la ligne: | 
		
		
	
		
			
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			"Salut ça va ?" | 
		
		
	
		
			
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			f = open("message.txt", "r") | 
		
		
	
		
			
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			contenu = f.read() | 
		
		
	
		
			
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			print(contenu) | 
		
		
	
		
			
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			f.close() | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			1. Salut ça va ? | 
		
		
	
		
			
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			2. *rien* | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			# le fichier réponse.txt est vide | 
		
		
	
		
			
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			f = open("réponse.txt", "w") | 
		
		
	
		
			
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			f.write("Ça roule") | 
		
		
	
		
			
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			f.close() | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			\vfill | 
		
		
	
		
			
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			Que contient le fichier `réponse.txt` ? | 
		
		
	
		
			
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			1. il est vide | 
		
		
	
		
			
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			2. "Ça roule" | 
		
		
	
		
			
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			# | 
		
		
	
		
			
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			```python | 
		
		
	
		
			
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			# le fichier poème.txt est vide | 
		
		
	
		
			
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			f = open("poème.txt", "w") | 
		
		
	
		
			
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			f.write("Un viel étang\n") | 
		
		
	
		
			
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			f.write("Une grenouille qui plonge\n") | 
		
		
	
		
			
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			f.write("Le bruit de l'eau") | 
		
		
	
		
			
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			f.close() | 
		
		
	
		
			
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			``` | 
		
		
	
		
			
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			Que contient le fichier `poème.txt` ? | 
		
		
	
		
			
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			1. Un joli haïku | 
		
		
	
		
			
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			2. Une recette de cuisine |