The find_one() function in the PyMongo library, which is used to interact with MongoDB databases…
Tag: python_interview
Python : What is the advantage of giving arrow (->) arrow notation in function ?
Using the -> arrow notation in function definitions provides type hints, which have several advantages: Readability: Type hints make the…
Python : Find and remove the last occurrence of specific string in python
To find and remove the last occurrence of a specific substring in a string, you can use the str.rfind() method…
Python : extend() and append() – Purpose and difference – A Comprehensive Guide with example
When working with lists in Python, two common methods used for adding elements to a list are extend() and append()….
Python-Pandas : Rename columns dynamically without specifying the name of the index column using Python
To rename columns dynamically without specifying the name of the index column, you can retrieve the index column name using…
Python : Steps to Upgrade Python 3.7 from Python 2.7 [This can be used for any lower version to upper version]
Upgrading from Python 2.7 to Python 3.7 requires you to install Python 3.7 and then re-point all the libraries installed…
Python : Understanding traceback.format_exc() in Python
In Python, the traceback module provides functions for working with tracebacks, which are snapshots of the call stack at a…
Python : Program that copies a file from one location to another
This program uses the shutil.copy2() function to copy the file. The shutil.copy2() function is similar to the shutil.copy() function, but…
Python : Program to get all the files with full path, modified after a specific date.
This program uses the os.walk() function to iterate through all files and directories in the specified root directory. For each…
What Python data type does the Pymongo function call Find_one () return select one?
The find_one() function in the PyMongo library, which is used to interact with MongoDB databases in Python, returns a dictionary-like…