Steps followed:
1. first open a file with name test_file.txt in write mode
2. create a variable sometext with value "this is our test file"
3. write sometext variable value in the test_file.txt

Program

#Python program to create a text file and write something in it

#opening a file with name test_file.txt in write mode

with open("test_file.txt","w") as myfile:

    #create a variable sometext with value "this is our test file"

    sometext="this is our test file"

    #write sometext variable value in the test_file.txt

    myfile.write(sometext)

Output

the above program will create a file with name  test_file.txt and content as "this is our test file"

► Python program to create a text file and write something in it