Question: a . ) class Calc: d e f i n i t s e l f : self.num 0 fCalcs = 0 def add (
a
class Calc:
:
self.numfCalcs
def addself xy:
self.numfCalcs
return
def sub :
self.numfCalcs
return
b
class Calc:
definitself:
self. numfCalcs
def addself :
numfCalcs
return
def subself xy:
numfCalcs
return
c
class Calc:
definitself:
self. numfCalcs
def addself:
self.numfCalcs
return
def subself:
self.numfCalcs
return
d
class Calc:
definitself:
self. numfCalcs
def addself:
numfCalcs
return
def subself:
numfCalcs
return
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