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Python Practice › Dictionary Programs › Program 55

Matrix rows to a dictionary

EasyDictionary Programs · 55 of 94

Write a Python program to convert a matrix into a dictionary keyed by row number.

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Input
[[1, 2, 3], [4, 5, 6]]
Output
{1: [1, 2, 3], 2: [4, 5, 6]}

Approach

  1. enumerate(matrix, start=1).

Solution

Python
matrix = [[1, 2, 3], [4, 5, 6]]print(dict(enumerate(matrix, start=1)))
Output
{1: [1, 2, 3], 2: [4, 5, 6]}

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