添加我的 class 的两个实例
Add two instances of my class
我想这样添加到我的 class Bar
的实例中:
x = Bar([5, 12, 5])
y = Bar([4, 5, 6])
x+y #Bar([9, 17, 11])
这里是 class:
class Bar:
def __init__(self, arr):
self.items = arr
def __repr__(self):
return "Bar("+str(self.items)+")"
您必须为您的 class 实现一个 __add__
方法:
def __add__(self, new):
newlst = [];
for i, j in zip(self.items, new.items):
newlst.append(i+j)
return Bar(newlst)
因此:
>>> x = Bar([5, 12, 5])
>>> y = Bar([4, 5, 6])
>>> x+y
Bar([9, 17, 11])
class Bar:
def __init__(self, arr):
self.items = arr
def __repr__(self):
return "Bar("+str(self.items)+")"
def __add__(self, new):
newlst = [];
for i, j in zip(self.items, new.items):
newlst.append(i+j)
return Bar(newlst)
我想这样添加到我的 class Bar
的实例中:
x = Bar([5, 12, 5])
y = Bar([4, 5, 6])
x+y #Bar([9, 17, 11])
这里是 class:
class Bar:
def __init__(self, arr):
self.items = arr
def __repr__(self):
return "Bar("+str(self.items)+")"
您必须为您的 class 实现一个 __add__
方法:
def __add__(self, new):
newlst = [];
for i, j in zip(self.items, new.items):
newlst.append(i+j)
return Bar(newlst)
因此:
>>> x = Bar([5, 12, 5])
>>> y = Bar([4, 5, 6])
>>> x+y
Bar([9, 17, 11])
class Bar:
def __init__(self, arr):
self.items = arr
def __repr__(self):
return "Bar("+str(self.items)+")"
def __add__(self, new):
newlst = [];
for i, j in zip(self.items, new.items):
newlst.append(i+j)
return Bar(newlst)