def f(i):
a=b=i
while len(set(str(a)))!=1:a+=1
return a-b
inputs = [8, 100, 113, 87654321, 42, 20000, 11132]
outputs = [0, 11, 109, 1234567, 2, 2222, 11090]
for i in range(len(inputs)):
print(f(inputs[i]) == outputs[i])
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