tasks a-s

Task/Reverse-a-string/Python/reverse-a-string-1.py

@@ -0,0 +1 @@
+raw_input()[::-1]

Task/Reverse-a-string/Python/reverse-a-string-2.py

@@ -0,0 +1 @@
+string[::-1]

Task/Reverse-a-string/Python/reverse-a-string-3.py

@@ -0,0 +1,36 @@
+'''
+  Reverse a Unicode string with proper handling of combining characters
+'''
+
+import unicodedata
+
+def ureverse(ustring):
+    '''
+    Reverse a string including unicode combining characters
+
+    Example:
+        >>> ucode = ''.join( chr(int(n, 16))
+                             for n in ['61', '73', '20dd', '64', '66', '305'] )
+        >>> ucoderev = ureverse(ucode)
+        >>> ['%x' % ord(char) for char in ucoderev]
+        ['66', '305', '64', '73', '20dd', '61']
+        >>>
+    '''
+    groupedchars = []
+    uchar = list(ustring)
+    while uchar:
+        if 'COMBINING' in unicodedata.name(uchar[0], ''):
+            groupedchars[-1] += uchar.pop(0)
+        else:
+            groupedchars.append(uchar.pop(0))
+    # Grouped reversal
+    groupedchars = groupedchars[::-1]
+
+    return ''.join(groupedchars)
+
+if __name__ == '__main__':
+    ucode = ''.join( chr(int(n, 16))
+                     for n in ['61', '73', '20dd', '64', '66', '305'] )
+    ucoderev = ureverse(ucode)
+    print (ucode)
+    print (ucoderev)