Explain the importance of code coverage testing and how it helps identify untested parts of the code. How do you handle exceptions in unit tests? Describe the best practices for handling exceptions in unit tests so that test results are accurate and meaningful. What are the common testing best ...
It is commonly used for debugging and for testing the assumptions about the state of the code. What is the use of ‘exec’ statement in Python? The ‘exec’ statement in Python is used to execute a string of code. It should be used with caution as it can execute arbitrary code. ...
答案: # Split the dataset into training and testing sets from sklearn.model_selection import train_test_split def split_dataset(data, test_size=0.2): # Separate features (X) and target variable (y) X = data.drop('target_variable', axis=1) y = data['target_variable'] # Split the da...
To write unit tests in Python, developers typically use a testing framework such asunittestorpytest. These frameworks provide a set of tools and conventions for writing and running tests, including assertions to check the output of functions and fixtures to set up test data. Good unit tests shou...
# Split the dataset into training and testing sets from sklearn.model_selection import train_test_split def split_dataset(data, test_size=0.2): # Separate features (X) and target variable (y) X = data.drop('target_variable', axis=1) y = data['target_variable'] # Split the dataset ...
Answering the Python interview questions can be daunting. You may know how to write Python code. You may even know how to create full-scale Python applications, but sometimes the questions can be tricky. To help you prepare for your next Python job interview or just refresh your knowledge of...
Testing: Writing Unit Tests with unittest Test Driven Development (TDD) Approach Debugging and Profiling: Using Debugger (e.g., pdb) Profiling Performance (e.g., cProfile) Virtual Environments and Packaging: Creating Virtual Environments Managing Dependencies with pip ...
These are the types of basic Python interview questions for freshers. Slicing is a technique that allows us to retrieve only a part of a list, tuple, or string. For this, we use the slicing operator []. (1,2,3,4,5)[2:4] (3, 4) [7,6,8,5,9][2:] [8, 5, 9] 'Hello'...
Installpytestand give it a try. You’ll be glad you did. Happy testing! If you’re looking for an example project built withpytest, then check out the tutorial onbuilding a hash table with TDD, which will not only get you up to speed withpytest, but also help you master hash tables...
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