Enable handling uppercased notes

Note.py

@@ -0,0 +1,36 @@
+from enum import Enum
+
+class NotePitch(Enum):
+    C = 1
+    CIS = 2
+    D = 3
+    DIS = 4
+    E = 5
+    F = 6
+    FIS = 7
+    G = 8
+    GIS = 9
+    A = 10
+    AIS = 11
+    H = 12
+    
+    @staticmethod
+    def toPitch(string):
+        map = { 'c': NotePitch.C, 'c#': NotePitch.CIS, 'db': NotePitch.CIS, 'd': NotePitch.D,
+               'd#': NotePitch.DIS, 'eb': NotePitch.DIS, 'e': NotePitch.E, 'fb': NotePitch.E, 'e#': NotePitch.F,
+               'f': NotePitch.F, 'f#': NotePitch.FIS, 'gb': NotePitch.FIS, 'g': NotePitch.G, 'g#': NotePitch.GIS,
+               'ab': NotePitch.GIS, 'a': NotePitch.A, 'a#': NotePitch.AIS, 'b': NotePitch.AIS, 'h': NotePitch.H
+               }
+        return map[string.lower()]
+
+class Note:
+    def __init__(self, note, octave, duration):        
+        if type(note) == str:            
+            self.note = NotePitch.toPitch(note)
+        else:
+            self.note = note
+        self.octave = octave
+        self.duration = duration
+        
+    def __str__(self):
+        return f"{self.note}[{self.octave}, {self.duration}]"