我目前正在为涉及Matrix实现的家庭作业编写以下代码:
class MyMatrix(object):
    def __init__(self, n, m, t):
        self.n = n
        self.m = m
        self.t = t
        self.data = []
        for i in range(0, self.n):
            row = []
            for i in range (0, self.m):
                row.append(self.t())
            self.data.append(row)
    def set(self, i, j, v):
        self.data[i][j] = v
    def get(self, i, j):
        self.data[i][j]
    def __str__(self):
        n = self.__class__.__name__ + "({})".format((self.n,self.m))
        for i in range(0, self.n):
            for j in range(0, self.m):
                s += str(self.get(i,j)) + " "
            s += "\n"
        return s
class MySparseMatrix(MyMatrix):
    def __init__(self):
        def __init__(self, n, m, t):
            self.n = n
            self.m = m
            self.t = t
            self.data = {}
    def set(self, i, j, v):
        key = (i, j)
        self.data[key] = v
    def get(self, i,j):
        key = (i, j)
        return self.data.get(key, self.t())我正在尝试打印:
tt = MySparseMatrix(int, 2, 2)
tt.set(0,0,11)
tt.set(0,1,5)
tt.set(1,0,2)
print(tt.get(0,1))
print("tt = ", tt)但它给了我
TypeError: __init__() takes 1 positional argument but 4 were given对如何修复这个错误有什么建议吗?我对Python非常陌生。
(说我需要在我的问题中添加更多细节,所以忽略这个: dfjsdfasjdfasdjfasfajfkajsfkajsdfksakfjasdfkjasdfkasdfnasdfbafdbhsdfdfdfskfjdfjsfjsfsjafasjdfaskfgskadfakfaskdfaskfdalsfkasfdkalsdfkasldfksldfkasdfkasdflksdflaksfdlkasdflaksdfkafa)
发布于 2018-04-18 10:56:13
这里的问题出在MySparseMatrix中的__init__函数中;定义中有两个__init__函数,这意味着当您创建MySparseMatrix对象时,它不会调用接受参数的__init__函数。
要修复它,只需删除第一个__init__,如下所示:
def __init__(self, n, m, t):
    self.n = n
    self.m = m
    self.t = t
    self.data = {}https://stackoverflow.com/questions/49890365
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