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- def calc_simple():
- while True:
- s = input("Введите операцию: (+,-,*,/): ")
- if s == '0': break
- if s in ('+','-','*','/'):
- x = float(input("Введите первое число: "))
- y = float(input("Введите второе число: "))
- if s == '+':
- print("%.2f" % (x+y))
- elif s == '-':
- print("%.2f" % (x-y))
- elif s == '*':
- print("%.2f" % (x*y))
- elif s == '/':
- if y != 0:
- print("%.2f" % (x/y))
- else:
- print("Деление на ноль!")
- else:
- print("Неверный знак операции!")
- if __name__ == "__main__":
- calc_simple()
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