feat: function now creates blueprint for integer part

src/codewars/kata_chinese_numeral_encoder.py

@@ -26,7 +26,8 @@ C = {
     19: "十九",
 }
 
-D = {2: 10, 3: 100, 4: 1000, 5: 10000}
+# "Ten^x" dictonary
+T = {2: 10, 3: 100, 4: 1000, 5: 10000}
 
 
 def to_chinese_numeral(n):
@@ -36,29 +37,61 @@ def to_chinese_numeral(n):
     except KeyError:
         pass
 
-    # Check if negative
+    # Check if negative, turn positive and remeber state
     if n < 0:
         n = abs(n)
         is_negative = True
     else:
         is_negative = False
 
-    """# Put single digits in list
-    split_number = [int(x) for x in str(n)]
+    # Split number in iteger list and fractional (None if not exists)
+    if type(n) is not int:
+        n = str(n).split(".")
+        integer = [int(x) for x in n[0]]
+        fractional = [int(x) for x in n[1]]
+    else:
+        integer = [int(x) for x in str(n)]
+        fractional = None
 
-    arranged_number = []
-    for _ in range(0, len(split_number)):
-        arranged_number.append(split_number[0])
-        if len(split_number) in D:
-            arranged_number.append(D[len(split_number)])
-        split_number.pop(0)
-    if arranged_number[-1] == 0:
-        arranged_number.pop(-1)
+    # Blueprint list will contain building instruction on how to encode the number: 90090 -> [9, 10000, 0, 9, 10]
+    blueprint = []
 
-    if is_negative:
-        arranged_number.insert(0, "-")"""
+    blueprint.append(integer[0])  # First digit won't be 0 it can just be appended
+    blueprint.append(T[len(integer)])  # Length of integer determines power of ten
+    integer.pop(0)  # Pop first digit
+
+    # create rest of blueprint by looping rest of integer
+    for _ in range(0, len(integer)):
+        # 0 needs no power of ten
+        if integer[0] == 0:
+            blueprint.append(0)
+        else:
+            blueprint.append(integer[0])
+            blueprint.append(T[len(integer)])
+        integer.pop(0)
+
+    # Pop last digit in blueprint if it's a 0
+    for i in range(len(blueprint) - 1, 1, -1):
+        if blueprint[i] == 0:
+            blueprint.pop(i)
+        else:
+            break
+
+    # Remove grouped zeros
+    was_zero = False
+    for j, i in enumerate(blueprint):
+        if i == 0 and not was_zero:
+            was_zero = True
+        elif i == 0 and was_zero:
+            blueprint.pop(j)
+        elif i != 0 and was_zero:
+            was_zero = False
+
+    print(blueprint)
+    print(fractional)
 
     return is_negative
 
 
-print(to_chinese_numeral(-90909))  # 9 10000 9
+to_chinese_numeral(-90090.358)
+to_chinese_numeral(90000)