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- import random
- arr = [
- [random.randint(-99, 99) for i in range(10)] for j in range(10)
- ]
- j = 0
- sum = 0
- for i in range(len(arr)):
- if arr[i][j] >= 0:
- sum += arr[i][j]
- j += 1
- print(f"Сумма положительных чисел главной диагонали матрицы: {sum}\n")
- print("Сама матрица:")
- for i in range(len(arr)):
- for j in range(len(arr[i])):
- print(arr[i][j], end=" ")
- print()
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