How to fix AttributeError: 'str' object has no attribute 'contains' when che... in Python

Описание: Hello, Dedicated Coders! 🖥️💡

We're excited to share with you our newest video, "How to solve AttributeError: 'str' object has no attribute 'contains' when checking if a substring exists in a string. 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 AttributeError: 'str' object has no attribute 'contains' when checking if a substring exists in a string.. Here is a snapshot of the code of the video:

Troubling Scenario: ❗️

s = "hello world"
result = s.contains("hello")


Unwanted Result: 🚫
AttributeError: 'str' object has no attribute 'contains' when checking if a substring exists in a string.

Effective Resolution: ✔️

s = "hello world"
result = "hello" in s


Desired Output: 🏁
True

In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: Code1 uses a non-existent method 'contains' for string objects. Use 'in' keyword as shown in Code2 to check for substring presence, which is correctly implemented and avoids the AttributeError. 🎯

Ready to demystify the NameError: name is not defined in your code? Click to watch the video now 🎬. If it aids you in your coding journey, kindly express your appreciation by hitting the like button 👍, and don't hesitate to enrich our coding community by sharing your questions or insights in the comments section 💬.

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