fork download
copy 
  1. class Calculadora:
  2.     def __init__(self):
  3.         self.operacoes = {
  4.           '+': lambda a, b: a + b,
  5.           '-': lambda a, b: a - b,
  6.           '/': lambda a, b: a / b,
  7.           '*': lambda a, b: a * b,
  8.         }
  9.     def calcula(self, numero1, op, numero2):
  10.         if op in self.operacoes:
  11.             return self.operacoes[op](numero1, numero2)
  12.         raise ValueError('operação inválida')
  13.  
  14. numero1, numero2 = 10, 4
  15. calc = Calculadora()
  16. print(calc.calcula(numero1, '+', numero2))
  17. print(calc.calcula(numero1, '-', numero2))
  18. print(calc.calcula(numero1, '/', numero2))
  19. print(calc.calcula(numero1, '*', numero2))
  20.  
  21. # dá erro de operação inválida
  22. print(calc.calcula(numero1, '&', numero2))
  23.  
Runtime error #stdin #stdout #stderr 0.12s 23576KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
14
6
2.5
40
stderr
copy 
Traceback (most recent call last):
  File "./prog.py", line 22, in <module>
  File "./prog.py", line 12, in calcula
ValueError: operação inválida
https://ideone.com/HPUKYV
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!