How to fix TypeError: __init__() got an unexpected keyword argument 'unexpec... in Python
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We're excited to share with you our newest video, "How to solve TypeError: __init__() got an unexpected keyword argument 'unexpected_arg' in Python". 🎥 This series is meticulously designed to arm you with knowledge 🧠 and skills 🛠️ to overcome frequent coding challenges.
Today, we will decipher 🔎 and resolve a common error faced by Python coders: the bit hard to solve TypeError: __init__() got an unexpected keyword argument 'unexpected_arg'. Here is a snapshot of the code of the video:
Troubling Scenario: ❗️
class MyClass:
def __init__(self, arg):
self.arg = arg
obj = MyClass(unexpected_arg=10)
Unwanted Result: 🚫
TypeError: __init__() got an unexpected keyword argument 'unexpected_arg'
Effective Resolution: ✔️
class MyClass:
def __init__(self, arg):
self.arg = arg
obj = MyClass(arg=10)
Desired Output: 🏁
There is no output from this code when it is run.
In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: Code1 fails because it incorrectly uses a keyword argument `unexpected_arg` not defined in `MyClass`. Code2 uses the correct keyword `arg` matching the parameter in `MyClass`'s constructor, hence no error. 🎯
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Watch video How to fix TypeError: __init__() got an unexpected keyword argument 'unexpec... in Python online without registration, duration hours minute second in high quality. This video was added by user How To Fix 13 May 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 12 once and liked it people.