typeerror: __init__() takes 1 positional argument but 2 were given___init__() takes 1 positional argument but 2 were given - 腾讯云开发者社区

): File "test.py", line 5, in <module c = fun(1, 2, 3) TypeError: fun() takes 2 positional arguments...but 3 were given ``` 上面的代码中， fun 函数定义了两个必须参数，但在调用 fun 函数时，传入了 3 个参数，导致了报错。...```python def addTwoNums(a, b): return a + b num1 = 1 num2 = 2 result = addTwoNums(num1, num2) print...```python def isOdd(num): return num % 2 == 1 print(isOdd(1)) print(isOdd(2)) print(isOdd(3)) ```...```python def isEven(num): return num % 2 == 0 print(isEven(1)) print(isEven(2)) print(isEven(3))

1.2K1 0

【已解决】Python解决TypeError: init() missing 1 required positional argument: ‘comment‘报错

同时欢迎大家关注其他专栏，我将分享Web前后端开发、人工智能、机器学习、深度学习从0到1系列文章。...一、问题背景在Python中，TypeError通常发生在函数或构造函数调用时参数不匹配的情况下。...特别是，TypeError: init() missing 1 required positional argument: 'comment’这个错误表明在创建某个类的实例时，构造函数__init__(...__init__() # 没有传递必需的参数给Base的构造函数 # 引发TypeError new_derived = Derived() 原因三：错误的参数顺序如果构造函数的参数顺序与调用时提供的不一致...__init__(name,author,comment,state = 0) TypeError: __init__() missing 1 required positional argument:

2811 0

您找到你想要的搜索结果了吗？

是的

没有找到

【Python】已解决：executemany() takes exactly 2 positional arguments (3 given)

已解决：executemany() takes exactly 2 positional arguments (3 given) 一、分析问题背景在使用Python的sqlite3模块或其他支持SQL...的库时，开发者可能会遇到executemany() takes exactly 2 positional arguments (3 given)的报错问题。..., data) conn.commit() conn.close() 当我们运行上述代码时，会遇到executemany() takes exactly 2 positional arguments...(3 given)的报错。...通过以上步骤和注意事项，可以有效避免executemany() takes exactly 2 positional arguments (3 given)的报错问题，确保批量插入数据操作顺利进行。

631 0

【Python】已完美解决：executemany() takes exactly 2 positional arguments (3 given)

然而，有时候开发者在调用executemany()方法时可能会遇到TypeError: executemany() takes exactly 2 positional arguments (3 given...EXISTS users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER)''') # 准备要插入的数据 data = [ (1,...'Alice', 30), (2, 'Bob', 25), (3, 'Charlie', 35) ] # 错误地调用executemany方法，传递了多余的参数...EXISTS users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER)''') # 准备要插入的数据 data = [ (1,...'Alice', 30), (2, 'Bob', 25), (3, 'Charlie', 35) ] # 正确调用executemany方法，只传递SQL语句和参数列表

1361 0

xadmin+django2.0删除用户报错，get_deleted_objects() takes 3 positional arguments but 5 were given

解决方法：将xadmin/plugins/actions.py中的 if django_version > (2, 0): #deletable_objects,...queryset, self.opts, self.user, self.admin_site, using) 改为 if django_version > (2,...1): deletable_objects, model_count, perms_needed, protected = get_deleted_objects(

1.2K2 0

【Python】已解决报错 TypeError: Missing 1 Required Positional Argument

同时欢迎大家关注其他专栏，我将分享Web前后端开发、人工智能、机器学习、深度学习从0到1系列文章。...一、问题背景在Python编程过程中，我们经常会遇到各种类型的错误，其中TypeError是一类常见的运行时错误，它表明函数或方法调用时参数出现了问题。...特别地，TypeError: Missing 1 Required Positional Argument这个错误表明函数调用缺少了一个必需的位置参数。...以下是错误代码示例： def print_coordinates(x, y): print(f"X: {x}, Y: {y}") # 参数顺序错误 print_coordinates(2,...1) # 正确 print_coordinates(1, 2) # 引发TypeError，因为期望的顺序是先x后y 原因三：函数重载误解 Python不支持函数重载，即不能根据参数的数量或类型重载同一个函数名

2.5K1 0

xadmin 因为版本问题的错误

NoReverseMatch, reverse 改成 from django.urls import NoReverseMatch, reverse 2....TypeError: __init__() missing 1 required positional argument: 'on_delete' 解决方法：将user = models.ForeignKey...verbose_name=_(u"user")， on_delete=models.CASCADE) 即在外键值的后面加上 on_delete=models.CASCADE 3.TypeError...: __init__() takes 1 positional argument but 6 were given 解决方法：将forms.Field....'django.contrib.sessions.middleware.SessionMiddleware', 2 'django.middleware.common.CommonMiddleware

1.5K1 0

paddleNLP-BUG和一些细节记录【一】

1.TypeError: isfile() takes 1 positional argument but 2 were given File "/root/miniconda3/envs/paddle_nlp...transformers/tokenizer_utils_base.py", line 1623, in from_pretrained '') and os.path.isfile(file_path): TypeError...: isfile() takes 1 positional argument but 2 were given 把源码这个位置的 '' 参数删掉就可以了 2.

4521 0

Django项目中xadmin遇到的坑记录

第一次写Django项目，使用xadmin报了一大堆的错误，此次记录一下问题和方法方便下次使用 xadmin下载：在百度中搜索GitHub，进入官网，然后搜索xadmin即可 image.png 1、...django.core.urlresolvers 　　更改为了 django.urls 3、错误提示：ImportError: cannot import name ‘six‘ from ‘django.utils‘ 解决方法：　　1...._2_unicode_compatible 5、错误提示：TypeError: __init__() takes 1 positional argument but 6 were given 解决方法...django.contrib.auth.views import logout 　　修改为 from django.contrib.auth.views import LogoutView as logout 8、错误提示：TypeError...: __init__() missing 1 required positional argument: 'on_delete' 解决方法：　　关联关系ForeignKey引发的错误，凡是出现关联关系字段的地方全部加上

9642 2

Python–socketserve源码分析(一)

_": a = A(1,2) >>>> 1,2 情况2： #coding:UTF-8 class Base: def __init__(self): self.ip =..., b): print (a,b) class A(Base, B): pass if __name__ == "__main__": a = A(1,2...) >>>> Traceback (most recent call last): >>>> File “test.py”, line 20, in >>>> a = A(1,2) >...>>> TypeError: __init__() takes 1 positional argument but 3 were given 情况3： #coding:UTF-8 class Base...(a,b) class A(Base, B): pass if __name__ == "__main__": a = A(1,2) >>>> Base fun 发布者

1812 0

Python Django开发异常及其解决办法（一）

__() takes 1 positional argument but 6 were given 8.Django xadmin数据迁移ImportError 9.Django xadmin数据迁移AttributeError...2.NoReverseMatch: Reverse for ‘xxx’ not found ....7.Django xadmin数据迁移__init__() takes 1 positional argument but 6 were given 在安装xadmin后进行数据迁移时，报错： forms.Field...__init__(self, required, widget, label, initial, help_text, TypeError: __init__() takes 1 positional...argument but 6 were given 直接找到xadmin\views\dashboard.py，将forms.Field.

3.2K2 0

Python学习笔记（二）

(most recent call last): File "", line 1, in TypeError: function1() takes 2 positional..."", line 1, in TypeError: function4() takes 1 positional argument but 3 were given >...>", line 1, in TypeError: function5() takes 1 positional argument but 2 were given >>> function5..., line 1 SyntaxError: positional argument follows keyword argument >>> return: 在函数最后加上return 可以指定函数执行完后想要返回的一个值...in TypeError: good() missing 1 required positional argument: 'self' >>> OBJ = Great() >>> OBJ.good

8181 0

Point(类与构造) Python

输入测试数据的组数 t 第一组测试数据点p1的x坐标第一组测试数据点p1的y坐标第一组测试数据点p2的x坐标第一组测试数据点p2的y坐标 .............1 2 3 4 -1 0.5 -2 5 输出样例1 Distance of Point(1.00,2.00) to Point(3.00,4.00) is 2.83 Distance of Point...self.x,self.y=0,0 def __int__(self,x,y): self.x,self.y=x,y 报了这样的错误： TypeError: Point....__init__() takes 1 positional argument but 3 were given 去网上搜了一下，发现是__init__写成了__int__ …… AC代码 import...a,b=Point(x1,y1),Point(x2,y2) print('Distance of Point(%.2f,%.2f)to Point(%.2f,%.2f)is %.2f'

2201 0

Python @staticmethod和@classmethod

: mod_classmethod() takes 2 positional arguments but 3 were given -----------------------------------...---------------------------------------- TypeError Traceback (most recent...: mod_staticmethod() missing 1 required positional argument: 'y' test None ------------------------...--------------------------------------------------- TypeError Traceback...: test_classmethod() takes 0 positional arguments but 1 was given 本例说明了@staicmethod和@classmethod的异同点以及

5362 0

Python函数中单独一个星号或斜线作为形参的含义

>>> def demo(a, b, *, c):#参数c必须以关键参数进行传值 print(a+b+c) >>> demo(1, 2, c=3) #正确 6 >>> demo(1, 2, 3) #错误...，引发异常 TypeError: demo() takes 2 positional arguments but 3 were given >>> def demo(a, b, *p, c):#参数c必须以关键参数进行传值...print(a+b+c+sum(p)) >>> demo(1, 2, 3, 4, c=5) #正确 15 >>> demo(1, 2, 3, 4, 5) #错误，引发异常 TypeError: demo...() missing 1 required keyword-only argument: 'c' 另外如果用help()函数查看sum()函数的帮助文档时，会发现sum()函数的最后一个参数是斜线，实际上这个斜线并不是...2, 3], 4) #按位置参数对start进行传值 10 >>> sum([1, 2, 3], start=4)#不允许使用关键参数，引发异常 TypeError: sum() takes no keyword

3.2K6 0

Python - 3.8 新特性之仅位置参数 & 仅关键字参数

test(1, b=2, c=3) test(*(1,), b=2, c=3) # 错误 test(a=1, b=2, c=3) 1 2 3 1 2 3 1 2 3 test(a=1,...b=2, c=3) TypeError: test() got some positional-only arguments passed as keyword arguments: 'a' 报错信息...a, *, b, c): return a + b + c # 正确 f1(1, b=2, c=3) f1(1, **{"b": 2, "c": 3}) # 错误 f1(1, 2, c=3...) # 输出结果 6 6 f1(1, 2, c=3) TypeError: f1() takes 1 positional argument but 2 positional arguments...(and 1 keyword-only argument) were given 报错信息：接受1个位置参数，但提供了2个位置参数（和1个仅限关键字的参数）在 * 形参后的参数只能通过关键字参数传递

8813 0

Python中函数参数传递方法*args, **kwargs，还有其他

: transfer_money() takes 0 positional arguments but 1 positional argument (and 2 keyword-only arguments...) were given transfer_money('1234', to_account='6578', amount=9999) # won't work: TypeError: transfer_money...() takes 0 positional arguments but 3 were given transfer_money('1234', '6578', 9999) 在上面的函数中，*星号获得了了所有不匹配的位置参数...keyword arguments: 'x' print(len_new(x=[1, 1, 2, 2, 3, 3])) # Won't work: TypeError: len_new() takes...1 positional argument but 2 were given print(len_new([1, 1, 2, 2, 3, 3], True)) 6、最后把它们合在一起下面的函数是一个非常极端的例子

1781 0

Python 中的默认值是什么？

positional argument(website) # here it takes the given default values for author(XYZ) and language(Python...('tutorialspoint', 'Alex', 'Java') # calling 2 positional arguments (website, author) # here it takes...positional argument(website) with keywords # here it takes the given default values for author(XYZ) and...language(Python) tutorialspoint(website= 'tutorialspoint') # calling 2 positional arguments (website...: tutorialspoint() missing 1 required positional argument: 'website' 没有参数传递给函数，因此会发生错误例 # creating

1.9K4 0

Django在根据models生成数据库表时报 init() missing 1 required positional argument on_d

models.Model): File "E:\diango\blog\models.py", line 25, in Entry blog = models.ForeignKey(Blog) TypeError...: __init__() missing 1 required positional argument: 'on_delete' 解决办法：将有ForeignKey的代码改为： blog = models.ForeignKey

4514 0

Python编程常见出错信息及原因分析（3）

（1）不可哈希错误演示代码： >>> x = {[1], [2]} Traceback (most recent call last): File "", line 1,...in x = {[1], [2]} TypeError: unhashable type: 'list' >>> x = {[1]:1} Traceback (most recent...call last): File "", line 1, in x = {[1]:1} TypeError: unhashable type: '...in func(3) TypeError: func() missing 1 required positional argument: 'b' >>> func(3, 5,..., 9) TypeError: func() takes from 2 to 3 positional arguments but 4 were given 一个比较类似的是序列解包的用法。

8796 0

点击加载更多

扫码

添加站长进交流群

领取专属 10元无门槛券

手把手带您无忧上云

完美解决丨TypeError: fun() takes 2 positional arguments but 3 were given

【已解决】Python解决TypeError: init() missing 1 required positional argument: ‘comment‘报错

【Python】已解决：executemany() takes exactly 2 positional arguments (3 given)

【Python】已完美解决：executemany() takes exactly 2 positional arguments (3 given)

xadmin+django2.0删除用户报错，get_deleted_objects() takes 3 positional arguments but 5 were given

【Python】已解决报错 TypeError: Missing 1 Required Positional Argument

xadmin 因为版本问题的错误

paddleNLP-BUG和一些细节记录【一】

Django项目中xadmin遇到的坑记录

Python–socketserve源码分析(一)

Python Django开发异常及其解决办法（一）

Python学习笔记（二）

Point(类与构造) Python

Python @staticmethod和@classmethod

Python函数中单独一个星号或斜线作为形参的含义

Python - 3.8 新特性之仅位置参数 & 仅关键字参数

Python中函数参数传递方法*args, **kwargs，还有其他

Python 中的默认值是什么？

Django在根据models生成数据库表时报 init() missing 1 required positional argument on_d

Python编程常见出错信息及原因分析（3）

扫码

相关资讯

热门标签

活动推荐

运营活动

社区

活动

资源

关于

腾讯云开发者

热门产品

热门推荐

更多推荐