n = [-2, -8, 1, -10, 40]
num = ["{1:0{0}d}".format(2 if x >= 0 else 3, x) for x in n]
print(num)

n = [-2, -8, 1, -10, 40]
num = ["{1:0{0}d}".format(2 if x >= 0 else 3, x) for x in n]
print(num)

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