save multiple images with different names using a for loop

Question

I am making a database from a randomly modified picture and i want to save each modification. This is my code but i have an error with the integer i inside the for loop.

How can i then save the pictures and use i for their names ?

import numpy as np
import cv2
import random
import os

image = cv2.imread('positive/30.jpg')

def modif_img(img):
    #HERE IS WHERE I MODIFY MY PICTURE
    return img

nbr = 3
for i in nbr:
    newImage = modif_img(image)
    #cv2.imshow("New image", newImage)
    path = './positive/30'
    cv2.imwrite(os.path.join(path, 'a' + str(i) + '.bmp'), newImage)

for i in range(nbr)

badger
– badger

2020-11-05 19:35:06 +00:00
Commented Nov 5, 2020 at 19:35 — badger
– badger, Commented Nov 5, 2020 at 19:35

Muhammad Bilal · Accepted Answer · 2020-11-05 19:35:47Z

1

Replace this line as integers are in range function in python to iterate

for i in range(nbr):

answered Nov 5, 2020 at 19:35

Muhammad Bilal

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1 Comment

user14034756 Over a year ago

Thank you it worked but for only 15 images. Do you know maybe why can't i do like a hundred images ? even nbr=20 it didn't work

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