You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
class ComplexVector:
    def __init__(self, complex_num):
        # split the complex number into its components
        self.real = float(complex_num.split(" ")[0])
        self.imag = float(complex_num.split(" ")[2].replace("i", ""))
    
    # print the vector in a readable format
    def __str__(self):
        return f"{self.real} + {self.imag}i"

# create the vector from a complex number
vec = ComplexVector("1 - 2i")
print(vec) # prints "1.0 + -2.0i"
user
1.0 + 2.0i
assistant