I was just trying out a programme for learning classes in python
The prog below is showing an error which it should not show :
class Bag:
def __init__(self, x):
self.data = []
def add(self, x):
self.data.append(x)
def addtwice(self, x):
self.add(x)
self.add(x)
y = Bag(4)
print " Adding twice of %4.2f gives " % (y.addtwice())
Error is :
Traceback (most recent call last):
File "Z:\learning Python\learn5.py", line 35, in <module>
print " Adding twice of %4.2f gives " % (y.addtwice())
TypeError: addtwice() takes exactly 2 arguments (1 given)
why the prog is having this error with self nd x as arguments ???
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