Shallow copy versus deep copy of nested lists
Predict the outputMediumPython onlyAsked in: Infosys, TCS
import copy
grid = [[1, 2], [3, 4]]
shallow = grid.copy()
deep = copy.deepcopy(grid)
shallow[0][0] = 9
shallow[1] = [0]
print(grid)
print(shallow)
print(deep)
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