[Python] Python connects MongoDB
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Đầu tiên là 1 vài lệnh ban đầu code: file requirements.txt
Category: Python
[Python] Look into FastAPI to contribute backend by Python
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1) Define Function in Python. Sau đây chúng ta define 1 function trong python. Trong đoạn mã Python trên, hàm my_func có một đối số có tên là my_var có kiểu dữ liệu được ghi là str | None. Đây là kiểu gợi ý cho Python biết đối số my_var có thể là một chuỗi…
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[Python] OOP
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Đây là output Và output như trên
[Python] Look into “for else”
![[Python] Look into “for else”](https://nimtechnology.com/wp-content/uploads/2023/08/2023-08-01_23-35.png?v=1690909801)
Here is an explanation of how to use “for else” in Python: The “for else” construct allows you to run a block of code once when a for loop finishes iterating without hitting a break statement. Here is the basic syntax: The else block will not execute if the for loop hits a break statement….
[Python] use Try/Except in python
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1) Introduce try / except The try block contains code that might cause an exception. If an exception occurs in the try block, Python will jump to the except block that matches the exception. We have three except blocks to handle different exception types: The advantage of try-except is that we can gracefully handle errors…
[Python] The eval() function automatically calculates a string
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Hàm eval() tự động tính toán 1 chuỗi
[Python] what mean if __name__==”__main__”:
![[Python] what mean if __name__==”__main__”:](https://nimtechnology.com/wp-content/uploads/2022/09/image-255.png?v=1663754161)
Bài này thì giải thích về câu line code: Hiểu đơn giản là nếu bạn chạy trực tiếp file python thì biến __name__ sẽ có giá trị là __main__Bạn cần tham khảo video bên dưới.