How to Use Variables from another Python File

This tutorial will show how to use variables from one Python file in another. The first step in using another Python file is to use the built in keyword import . Import is used to import Python libraries modules. Here is a List of useful keywords

When using import , the file being imported will be executed when the Python file importing it is ran.

For this example, there are two Python Files the first file is named Main.py and the file being imported is named Second.py

Main.py

import Second
#printing X var from Second
print(Second.X)

In the Main.py file the Second file will be imported. Then the X variable from the will be printed out.

Second.py

X= 5
try:
    # If X is Greater than 5
    if X> 3:
        print("Greater Value")
    # X less than five
    else:
        print("Nope")
#
finally:
    print("Run Complete")

The Second file consist of a try statement that checks if the X variable is greater than 3.

Note: the finally will always run.

Output :

Greater Value
Running
5

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Python chr()

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Python callable()

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Python bytes()

bytes() returns an immutable bytes object, made up of a sequence of integers in the range 0 <=x < 256. The returned bytes sequence is immutable. A mutable bytes sequence can be used instead by calling is bytearry() . Syntax bytes(]]) bytes() takes three optional parameters: source – initialize the array of bytes. Can be String … Read more Python bytes()

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