In this lesson we want to learn that Python open() Function ? Python is high level, interpreted programming language. it was created in 1980s by Guido van Rossum and was first released in 1991. Python is known for its clear and simple syntax, and it makes it easy to read and write. it is dynamically typed, it means that you don’t need to declare the data type of variable before using it, and supports multiple programming paradigms, including object oriented, procedural and functional programming. Python is widely used in different applications including web development, scientific computing, data analysis, artificial intelligence and more. it is also popular language for beginners due to its simplicity and readability, making it a great choice for educational purposes.
What is Python open() Function ?
open function in Python is built in function used to open file. It takes the file name and mode as arguments and returns file object. th mode argument specifies how the file should be opened (e.g. for reading, writing, appending, etc.).
This is an example of how to use the open function to read a file:
|
1 2 3 4 5 6 7 8 9 10 11 |
# Open the file for reading file = open("example.txt", "r") # Read the contents of the file contents = file.read() # Print the contents of the file print(contents) # Close the file file.close() |
Note that it is good practice to close file after you are done with it, to free up resources. in Python you can use the with statement to automatically close the file after you’re done with it:
|
1 2 3 |
with open("example.txt", "r") as file: contents = file.read() print(contents) |
This way you don not have to worry about explicitly closing the file, as the with statement will take care of it for you.