[Solved] How do I replace a specific string in a 2d array?

Question

You have to enumerate your array to change the value at a specific index.

for i, row in enumerate(arr2):
    for j, cell in enumerate(row):
        if cell == '#':
            arr2[i][j] = 'A'

Accepted Answer

You have to enumerate your array to change the value at a specific index.

for i, row in enumerate(arr2):
    for j, cell in enumerate(row):
        if cell == '#':
            arr2[i][j] = 'A'