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import math class Complex(object): def __init__(self, real, imaginary): self.real = real self.imaginary = imaginary def __add__(self, no): return Complex(self.real + no.real, self.imaginary + no.imaginary) def __sub__(self, no): return Complex(self.real - no.real, self.imaginary - no.imaginary) def __mul__(self, no): a,b,c,d = self.real, self.imaginary, no.real, no.imaginary return Complex(a*c-b*d, a*d+c*b) def __truediv__(self, no): a,b,c,d = self.real, self.imaginary, no.real, no.imaginary num = Complex(a,b) * Complex(c,-1*d) den = c**2+d**2 return Complex(num.real/den, num.imaginary/den) def mod(self): return Complex(math.sqrt(self.real**2 + self.imaginary**2),0) def __str__(self): if self.imaginary == 0: result = "%.2f+0.00i" % (self.real) elif self.real == 0: if self.imaginary >= 0: result = "0.00+%.2fi" % (self.imaginary) else: result = "0.00-%.2fi" % (abs(self.imaginary)) elif self.imaginary > 0: result = "%.2f+%.2fi" % (self.real, self.imaginary) else: result = "%.2f-%.2fi" % (self.real, abs(self.imaginary)) return result if __name__ == '__main__': c = map(float, input().split()) d = map(float, input().split()) x = Complex(*c) y = Complex(*d) print(*map(str, [x+y, x-y, x*y, x/y, x.mod(), y.mod()]), sep='\n')
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Classes: Dealing with Complex Numbers
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