from decimal import Decimal
def round_to_nearest_multiple_of_010(n):
remainder = n.remainder_near(Decimal('0.10'))
return n - remainder
for n in range(90, 110):
d = Decimal(n) / Decimal('100')
print("{0} rounds to {1}".format(d, round_to_nearest_multiple_of_010(d)))
'''
run:
0.9 rounds to 0.90
0.91 rounds to 0.90
0.92 rounds to 0.90
0.93 rounds to 0.90
0.94 rounds to 0.90
0.95 rounds to 1.00
0.96 rounds to 1.00
0.97 rounds to 1.00
0.98 rounds to 1.00
0.99 rounds to 1.00
1 rounds to 1.00
1.01 rounds to 1.00
1.02 rounds to 1.00
1.03 rounds to 1.00
1.04 rounds to 1.00
1.05 rounds to 1.00
1.06 rounds to 1.10
1.07 rounds to 1.10
1.08 rounds to 1.10
1.09 rounds to 1.10
'''
