from win32gui import GetWindowText, GetForegroundWindow
import random
def repeat_function(n):
    minewindow = GetWindowText(GetForegroundWindow())
    if n > 0:
        v = random.choice(['a', ':', 'c', 'r', 'g'])
        with open('file.txt', 'a') as f:
            f.write(f'{minewindow}: {v}\n')
        repeat_function(n-1)
repeat_function(7)

 Configuration: 1
Configuration: s
Configuration: 2
Configuration: :
Configuration: 3
Configuration: y
Configuration: q

 Configuration: 1s2:3yq

  
from win32gui import GetWindowText, GetForegroundWindow
import random
def repeat_function(n):
    minewindow = GetWindowText(GetForegroundWindow())
    result = f"{minewindow}: "
    for _ in range(n):
        v = random.choice(['a', ':', 'c', 'r', 'g'])
        result += v
    with open('file.txt', 'a') as f:
        f.write(result + '\n')
repeat_function(7)

 from win32gui import GetWindowText, GetForegroundWindow
import random
def repeat_function(n):
    minewindow = GetWindowText(GetForegroundWindow())
    result = f"{minewindow}: "
    for _ in range(n):
        v = random.choice(['a', ':', 'c', 'r', 'g'])
        print(result += v)
repeat_function(7)

   File "C:\Users\kali\Downloads\te.py", line 8
    print(result += v)
                 ^^
SyntaxError: invalid syntax