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112 lines
3.3 KiB
Python
112 lines
3.3 KiB
Python
import math
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def convert(number: int) -> str:
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"""
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Given a number return the number in words.
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>>> convert(123)
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'OneHundred,TwentyThree'
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"""
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if number == 0:
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words = "Zero"
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return words
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else:
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digits = math.log10(number)
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digits = digits + 1
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singles = {}
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singles[0] = ""
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singles[1] = "One"
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singles[2] = "Two"
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singles[3] = "Three"
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singles[4] = "Four"
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singles[5] = "Five"
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singles[6] = "Six"
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singles[7] = "Seven"
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singles[8] = "Eight"
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singles[9] = "Nine"
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doubles = {}
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doubles[0] = ""
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doubles[2] = "Twenty"
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doubles[3] = "Thirty"
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doubles[4] = "Forty"
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doubles[5] = "Fifty"
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doubles[6] = "Sixty"
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doubles[7] = "Seventy"
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doubles[8] = "Eighty"
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doubles[9] = "Ninety"
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teens = {}
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teens[0] = "Ten"
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teens[1] = "Eleven"
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teens[2] = "Twelve"
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teens[3] = "Thirteen"
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teens[4] = "Fourteen"
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teens[5] = "Fifteen"
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teens[6] = "Sixteen"
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teens[7] = "Seventeen"
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teens[8] = "Eighteen"
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teens[9] = "Nineteen"
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placevalue = {}
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placevalue[2] = "Hundred,"
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placevalue[3] = "Thousand,"
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placevalue[5] = "Lakh,"
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placevalue[7] = "Crore,"
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temp_num = number
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words = ""
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counter = 0
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digits = int(digits)
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while counter < digits:
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current = temp_num % 10
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if counter % 2 == 0:
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addition = ""
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if counter in placevalue and current != 0:
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addition = placevalue[counter]
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if counter == 2:
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words = singles[current] + addition + words
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elif counter == 0:
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if ((temp_num % 100) // 10) == 1:
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words = teens[current] + addition + words
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temp_num = temp_num // 10
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counter += 1
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else:
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words = singles[current] + addition + words
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else:
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words = doubles[current] + addition + words
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else:
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if counter == 1:
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if current == 1:
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words = teens[number % 10] + words
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else:
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addition = ""
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if counter in placevalue:
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addition = placevalue[counter]
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words = doubles[current] + addition + words
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else:
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addition = ""
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if counter in placevalue:
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if current == 0 and ((temp_num % 100) // 10) == 0:
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addition = ""
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else:
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addition = placevalue[counter]
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if ((temp_num % 100) // 10) == 1:
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words = teens[current] + addition + words
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temp_num = temp_num // 10
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counter += 1
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else:
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words = singles[current] + addition + words
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counter += 1
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temp_num = temp_num // 10
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return words
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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