Given the

following class, calculate LCOM1:

public class Example:
    def __init__(self):
        self.var1 = 0
        self.var2 = 0
        self.var3 = 0
    def method1(self):
        return self.var1
    def method2(self):
        return self.var1 
    def method3(self):
        return self.var2 + self.var3