fix r7 radix table

reviews/R7.md

@@ -194,8 +194,5 @@ col4.append(create_radix_table(soup,
         "TAR",], [0, 1, 2]
 ))
 
-
-
-
 print(soup)
 ```

reviews/__pyfunc__/r7.py

@@ -17,6 +17,9 @@ TH_STYLE_TEMPLATE = "font-weight: normal; border: none; width: 1.2em; height: 0.
 def td_style_with_gray(style):
     return style + "background-color: lightgray;"
 
+def td_style_with_no_left_border(style):
+    return style + "border-left: none;"
+
 def td_style_with_no_right_border(style):
     return style + "border-right: none;"
 
@@ -68,6 +71,8 @@ def create_radix_table(soup: BeautifulSoup,
         tr = soup.new_tag("tr")
         for i, char in enumerate(word):
             style = TD_STYLE_TEMPLATE
+            if i != 0:
+                style = td_style_with_no_left_border(style)
             if i != len(word) - 1:
                 style = td_style_with_no_right_border(style)
             if highlighted and i in highlighted: