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How to fix Name Not Defined Error in Python?
To fix a "NameError: name 'variable_name' is not defined" error in Python, you can take the following steps: 1. Check variable name spelling: Make sure you have spelled the variable name correctly. Python is case-sensitive, so ensure that the case matches exactly. 2. Check variable scope: Verify that the variable is defined in the appropriate scope. If you're trying to access a variable defined inside a function, for example, ensure that you're accessing it within that function or in a wider scope where it's visible. 3. Check variable assignment: If you're trying to use a variable before it has been assigned a value, you will encounter a NameError. Make sure the variable is assigned a value before you attempt to use it. 4. Check import statements: If you're working with modules or packages, ensure that you have imported them correctly. Verify that the module or package name is correct and that you have imported it using the appropriate import stat...
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