How to fix NameError: name 'variable_name' is not defined in Python
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We're excited to share with you our newest video, "How to solve NameError: name 'variable_name' is not defined 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 NameError: name 'variable_name' is not defined. Here is a snapshot of the code of the video:
Troubling Scenario: ❗️
print(variable_name)
Unwanted Result: 🚫
NameError: name 'variable_name' is not defined
Effective Resolution: ✔️
variable_name = "some value"
print(variable_name)
Desired Output: 🏁
some value
In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: In Code1, 'variable_name' is used before it is defined, causing a NameError. In Code2, 'variable_name' is defined before use, resolving the error. Define variables before using them to avoid such errors. 🎯
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