I learned that 18 is spelled as eighteen

17/main.py

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+import os
+import math
+import numpy as np
+
+# Find the total number of letters needed to spell out all the numbers up to
+# and including 1000
+
+lengths = {
+	1 : 3, # one
+	2 : 3, # two
+	3 : 5, # three
+	4 : 4, # four
+	5 : 4, # five
+	6 : 3, # six
+	7 : 5, # seven
+	8 : 5, # eight
+	9 : 4, # nine
+	10 : 3, # ten
+	11 : 6, # eleven
+	12 : 6, # twelve
+	13 : 8, # thirteen
+	14 : 8, # fourteen
+	15 : 7, # fifteen
+	16 : 7, # sixteen
+	17 : 9, # seventeen
+	18 : 8, # eighteen
+	19 : 8, # nineteen
+	20 : 6, # twenty
+	30 : 6, # thirty
+	40 : 5, # fourty
+	50 : 5, # fifty
+	60 : 5, # sixty
+	70 : 7, # seventy
+	80 : 6, # eighty
+	90 : 6, # ninety
+	100 : 7 # hundred (the number of hundreds will be put in front)
+}
+
+def getNumberLength(n):
+	res = 0
+
+	if n == 1000:
+		return 11
+
+	if n % 100 < 20 and n % 100 != 0:
+		res = res + lengths[n % 100]
+		n = n // 100
+	else:
+		if n % 10 != 0:
+			res = res + lengths[n % 10]
+		n = n // 10
+		if n % 10 != 0:
+			res = res + lengths[(n % 10) * 10]
+		n = n // 10
+	
+	if n == 0:
+		return res
+	else:
+		a = 3
+		if res == 0:
+			a = 0
+		res = res + a + lengths[100] + lengths[n]
+
+	return res
+
+
+
+def main():
+	print("Hello, this is Patrick")
+
+	print(getNumberLength(100))
+
+	result = sum(list(map(lambda x: getNumberLength(x), range(1, 1001))))
+	print(result)
+
+if __name__ == "__main__":
+	main()