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- def entrada(vari,texto):
- while 1:
- try:
- vari=float(input(texto))
- return vari
- break
- except:
- print('entrada inválida, tente novamente.')
- def prog():
- x=float()
- entrada(x,'Digite um numero: ')
- print('o numero digitado foi: %.2f' %x)
- prog()
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