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如何修复?'Ints Object is not Subscriptable

📁 python

任务:生成20个范围在-5到4之间的随机整数,将它们写入数组的单元格中。统计其中正数、负数和零值的数量。将数组元素和统计数量绑定到屏幕上。以下是错误文本:

a[i] = int(a[i]) TypeError: 'int' object is not subscriptable
import random a = [] for i in range(20): a = random.randint(-5, 4) p = [] n = [] z = [] for i in range(20):