A few more problems!

problem_17.py

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+#essentially an "english" number parser.
+#count the letter counts of something like 399 "Three hundred and ninety nine"
+#don't count spaces, hyphens
+
+#                       one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve,
+#                       thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
+ones_word_count_dict = {1: 3, 2: 3, 3: 5, 4: 4, 5: 4, 6: 3, 7: 5, 8: 5, 9: 4, 10: 3, 11: 6, 12:6,
+                        13: 8, 14: 8, 15: 7, 16: 7, 17: 9, 18: 8, 19: 8}
+
+#                      ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
+tens_word_count_dict = {1: 3, 2: 6, 3: 6, 4: 5, 5: 5, 6: 5, 7: 7, 8: 6, 9: 6}
+
+hundred_letter_count = 7
+and_letter_count = 3
+
+def countLetters(number):
+    letter_count = 0
+
+    if number == 1000:
+        return 11
+
+    #count hundreds
+    hundreds = int(number / 100)
+    if hundreds > 0:
+        letter_count += hundred_letter_count
+        letter_count += ones_word_count_dict[hundreds]
+
+    number -= hundreds * 100
+
+    # if the number is a "teen"
+    if number < 20 and number > 0:
+        if hundreds > 0:
+            letter_count += and_letter_count
+        letter_count += ones_word_count_dict[number]
+        return letter_count
+
+    # if the number was an even 0
+    elif number == 0:
+        return letter_count
+
+    # there is a tens and later a ones value
+    else:
+        if hundreds > 0:
+            letter_count += and_letter_count
+
+        tens = int(number / 10)
+        letter_count += tens_word_count_dict[tens]
+
+        number -= tens * 10
+        if number != 0:
+            letter_count += ones_word_count_dict[number]
+        return letter_count
+
+
+sum_letters = 0
+for i in range(1, 1001):
+    sum_letters += countLetters(i)
+
+print(sum_letters)