conversions.roman_numerals

Attributes

ROMAN

Functions

int_to_roman(→ str)

Given an integer, convert it to a Roman numeral.

roman_to_int(→ int)

LeetCode No. 13 Roman to Integer

Module Contents

conversions.roman_numerals.int_to_roman(number: int) → str

Given an integer, convert it to a Roman numeral. Input must be an integer in the range 1 to 3999. https://en.wikipedia.org/wiki/Roman_numerals >>> tests = {“III”: 3, “CLIV”: 154, “MIX”: 1009, “MMD”: 2500, “MMMCMXCIX”: 3999} >>> all(int_to_roman(value) == key for key, value in tests.items()) True >>> int_to_roman(0) Traceback (most recent call last):

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ValueError: int_to_roman only accepts integers in the range 1 to 3999, got 0 >>> int_to_roman(-1) Traceback (most recent call last):

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ValueError: int_to_roman only accepts integers in the range 1 to 3999, got -1 >>> int_to_roman(4000) Traceback (most recent call last):

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ValueError: int_to_roman only accepts integers in the range 1 to 3999, got 4000 >>> int_to_roman(True) Traceback (most recent call last):

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TypeError: int_to_roman only accepts integers, got bool

conversions.roman_numerals.roman_to_int(roman: str) → int

LeetCode No. 13 Roman to Integer Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. https://en.wikipedia.org/wiki/Roman_numerals >>> tests = {“III”: 3, “CLIV”: 154, “MIX”: 1009, “MMD”: 2500, “MMMCMXCIX”: 3999} >>> all(roman_to_int(key) == value for key, value in tests.items()) True

conversions.roman_numerals.ROMAN = [(1000, 'M'), (900, 'CM'), (500, 'D'), (400, 'CD'), (100, 'C'), (90, 'XC'), (50, 'L'), (40,...