Implement class add (+) operator
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import string
class spam:
def __init__(self):
self.eggs = 1
def __del__(self):
pass
def __add__(self,other):
rt = spam()
rt.eggs = self.eggs + other.eggs
return rt
def __coerce__(self,other):
rt = spam()
if type(other) == type(rt):
return (self,other)
elif type(other) == type(""):
e = string.atoi(other)
rt.eggs = e
return(self,rt)
else:
return None
def __radd__(self,other):
return self + other
if __name__ == "__main__":
a = spam()
b = spam()
a = a + b
print "a now has", a.eggs, "eggs"
a = a + "24"
print "a now has", a.eggs, "eggs"
a = "24" + a
print "a now has", a.eggs, "eggs"
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