first commit

p17/solution.py

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+def solution():
+    # 1 digit
+    l1 = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine']
+    d1 = len(combine_words(l1))
+
+    # 2 digits
+    l2 = ['twenty', 'thirty', 'fourty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
+    l3 = ['ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
+    d2 = len(combine_words(l2)) + d1*len(l2) + len(combine_words(l2))*(len(l1)+1)
+
+    # 3 digits
+    w1 = 'hundred'
+    w2 = 'and'
+    d3 = len(w1)*900 + d1*100 + len(w2)*9*99 + 9*d2
+
+    # 4 digits
+    w3 = 'thousand'
+    d4 = len(w3)
+
+    return d1 + d2 + d3 + d4
+
+def combine_words(words):
+    w = ''
+    for word in words:
+        w += word
+    return w
+
+# solved by chatGPT
+print(solution())