Python问题

peng_python

小甲鱼极客python之效率革命绘图篇：
源代码如下：
from PIL import Image

img = Image.open('1.png')
out = img.convert("L")  # 转换为灰度模式
#out.show()
print(out.size)
width,height = out.size
# 调节图片尺寸
# out = out.resize((int(width * 0.5), int(height * 0.5)))
# width, height = out.size

print(out.getpixel((10,10)))
print(out.size)
asciis = "$@#=+-."
texts = ''
for row in range(height):
    for col in range(width):
        gray = out.getpixel((col,row))
        texts += asciis[int(gray/255 *7)]
    texts += '\n'

with open('test1.txt','w') as file:
    file.write(texts)


想请问，为什么会报错：IndexError: string index out of range
图片大小设置为了512*512或者256**256都是一样的报错

suchocolate

报错发全

peng_python

suchocolate 发表于 2022-3-23 01:12
报错发全

Traceback (most recent call last):
  File "C:/Users/admin/PycharmProjects/Xiao_jiayu/绘图篇/malilian.py", line 20, in <module>
(512, 512)
0
(256, 76)
    texts += asciis[int(gray/255 *7)]
IndexError: string index out of range

Process finished with exit code 1

suchocolate

int(gray / 255 * 7) = 7
字符串 $@#=+-. 一共7个元素，index从0到6，没有7