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1567 - Sum Prim Doi
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== Rezolvare == <syntaxhighlight lang="python" line> def este_numar_valid(numar): """ Verifică dacă un număr are cel puțin 2 cifre. """ return numar >= 10 def obtine_primele_doua_cifre(numar): """ Returnează primele două cifre ale unui număr. """ return int(str(numar)[:2]) if __name__ == "__main__": # Inițializăm suma cu 0 suma = 0 # Citim numere până când se introduce 0 while True: try: numar = int(input("Introduceți un număr natural (0 pentru a încheia citirea): ")) except ValueError: print("Introduceți un număr natural valid!") continue # Verificăm dacă numărul are cel puțin 2 cifre if not este_numar_valid(numar): if numar == 0: print("Citire încheiată!") break else: print("Numărul introdus nu are cel puțin 2 cifre. Introduceți alt număr.") continue # Adunăm primele două cifre ale numărului la suma suma += obtine_primele_doua_cifre(numar) print("Datele sunt introduse corect.") # Afișăm suma obținută print(f"Suma numerelor formate din primele două cifre ale numerelor citite este: {suma}") </syntaxhighlight>
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