Pyflakes e ошибка

In the code below I get the error «invalid syntax pyflakes e» for the line «%matplotlib inline». I am trying to develop a support vector machine

https://www.kaggle.com/uciml/pima-indians-diabetes-database (database used)

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.svm import SVC
from sklearn.model_selection import train_test_split
from sklearn.metrics import accuracy_score, confusion_matrix
%matplotlib inline
Next, we will read in the data set and split it into training and testing sets:
# read in the data set
df = pd.read_csv('diabetes.csv')
# split into training and testing sets
X_train, X_test, y_train, y_test = train_test_split(df.drop('Outcome', axis=1), df['Outcome'], test_size=0.2, random_state=42)
Now, we will train a support vector machine on the training set and make predictions on the testing set:
# train a support vector machine
svm = SVC()
svm.fit(X_train, y_train)
# make predictions on the testing set
y_pred = svm.predict(X_test)
Finally, we will evaluate the accuracy of our model and visualize the confusion matrix:
# evaluate the accuracy
accuracy = accuracy_score(y_test, y_pred)
print(accuracy)
# visualize the confusion matrix
cm = confusion_matrix(y_test, y_pred)
plt.imshow(cm, cmap='Blues')
plt.title('Confusion Matrix')
plt.xlabel('Predicted Class')
plt.ylabel('Actual Class')
plt.show()

I was expecting to develop a support vector machine

else:

    tution =7230+21+3+5

elif(credit > 18):
    
if(level =='freshman'):

    if(madisoncollege == 'yes'):

tution = 7230+21+3+5+7.50+((credit-18)*482)

else:

elif(credit > 18):

3 ответа

If you are a Python programmer, you might have come across the Pyflakes E error at some point. This error message is displayed when there is an invalid syntax in your Python code. Pyflakes is a popular static analysis tool used to detect errors, including syntax errors, in Python code. While this tool can help catch errors early in the development process, it can also be frustrating when you have to deal with the Pyflakes E error. In this article, we will explore how to troubleshoot this error and deal with invalid syntax in Python.

Understanding the Pyflakes E Error

The Pyflakes E error is a common error message that appears when there is invalid syntax in your Python code. Typically, the error message looks like this:

E999 SyntaxError: invalid syntax

This error message can occur for a variety of reasons, including missing parentheses or quotation marks, missing commas, and incorrect indentation. You can use Pyflakes to detect these errors by running it on your Python code.

Troubleshooting Pyflakes E Error

The first step in troubleshooting the Pyflakes E error is to identify the source of the error. Pyflakes will display the line number and column number where the error occurred, making it easier for you to locate the error in your code. Once you have identified the error, you can start fixing it.

Here are some steps you can take to troubleshoot the Pyflakes E error:

1. Check for missing parentheses, quotation marks, or commas. Invalid syntax errors often occur when you forget to include these characters in your code. Check the line where the error occurred to see if anything is missing.
2. Check for incorrect indentation. Python relies on indentation to define blocks of code, so incorrect indentation can cause syntax errors. Check the indentation of the line where the error occurred and make sure it is aligned with the rest of the code.
3. Check for typos or misspelled words. Sometimes, syntax errors occur because of typos or misspelled words. Check for any errors in the line where the error occurred.
4. Use a Python IDE or editor. Many Python IDEs and editors have built-in syntax checkers that can help you identify syntax errors in your code. These tools can highlight errors in your code as you type, making it easier to catch errors early in the development process.

Dealing with Invalid Syntax in Python

While Pyflakes can be an effective tool for detecting syntax errors in your code, it is important to develop good habits for writing clean and valid Python code. Here are some tips for dealing with invalid syntax in Python:

1. Write clean and organized code. Proper code structure and organization can make it easier to identify errors and reduce the likelihood of errors occurring in the first place.
2. Use a Python IDE or editor with built-in syntax checking. These tools can help catch errors as you type and save you time in the long run.
3. Take advantage of Python’s error messages and tracebacks. When errors occur, Python provides detailed error messages and tracebacks that can help you identify the source of the error.
4. Test your code frequently. Testing your code early and often can help catch errors before they become major problems.

In conclusion, the Pyflakes E error is a common error message that occurs when there is invalid syntax in your Python code. By following the steps outlined in this article, you can troubleshoot the error and learn how to deal with invalid syntax in Python. Remember to write clean and organized code, use Python IDEs and editors with built-in syntax checking, take advantage of Python’s error messages, and test your code frequently. With these best practices in place, you can write more robust and error-free Python code.