Which app should I use to solve python questions?

Which app should I use to solve python questions?

It is recommended to use leetcode. Let me introduce the functions of this software to you.

1. Select the question type
The top tab bar Problems gives three categories: Algorithms, Database, and Shell, respectively. Algorithm questions, database questions, and Shell script questions, the first one is the algorithm question we need.

2. Select algorithm questions

After clicking on Algorithms, we can see a list of questions, each Each question has a unique serial number, the acceptance rate behind it indicates the accuracy of the submission, and Difficulty indicates the difficulty level.
LeetCode is divided into three levels according to difficulty: Hard, Medium, and Easy.
Easy level generally does not require much thinking to come up with algorithms, and can even be done in a direct way, which is especially suitable for novices to become familiar with programming languages.
Medium level will be somewhat difficult, generally involving classic algorithms and requiring a certain amount of thinking.
Hard level is the most difficult. Sometimes it is the difficulty of the algorithm itself, and sometimes it requires you to consider various details.
The small arrow in front of each question indicates that the question has been completed. There is a Choose one filter at the top of the question list, which can remove completed questions from the list.

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##3. Screen a certain type of questions

If we only want to find a certain type of questions, we can filter by Tags or Company

You can see the following in the right column of the question bank, where questions from many companies are listed

In addition, if we only want to do questions about strings, arrays or linked lists, we can use Tags

## If we are doing a certain question and feel that we want to do a similar one again, to consolidate it, we can find similar problems through Show Similar Problems and Tags under the question

4. How to discuss with others

Each topic has its own Discuss button. After clicking to enter, you can see the discussion area.

Here, many people have put their own codes on it. Just like BBS, you can post questions and reply to others.

5. About code writing, testing and submission
After clicking on the topic we selected, we can write the code. LeetCode is generally They will directly provide a functional interface. We only need to write the inside of the function, and we need to consider the library file. In addition, in the selection column above, you can switch to the programming language you need.

After the program is written, don’t rush to submit it (Submit Solution button), you can test it first (Run Code)

We can also click on the small box next to Custom TestCase. After clicking on it, we can enter the input value we set ourselves.

Generally, the input form of the array is [a1, a2, a3, a4...]

Of course, we will choose to submit the Solution after the test is complete and correct.

If an error occurs, there will be a prompt.
If it is correct, there will be the following prompt:

We can click on More Details to view the detailed result description
or click on the question next to Next challenges to continue doing the questions.

6. View the questions you submitted

##Find yourself in the top tab bar and select:

My Submissions: You can find the questions you submitted (including correct submissions and incorrect submissions) and the submitted codes can also be seen

Manage Sessions: Mainly manage your own submission status, error rate and correctness rate , the total completion rate and so on.

You can find your submission status for that question in My Submissions next to each question

##After clicking it, you can find all your past submissions.

Click Accepted or Wrong Answer to view the code you submitted in the past, and of course the score.

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