Update color/README.md

color/README.md

@@ -1,5 +1,5 @@
 ```python
-globals().update({color: lambda text, ansi=91+i: f'\x1b[{ansi}m{text}\x1b[0m'
-    for i, color in enumerate('red green yellow blue magenta cyan'.split())})
-print(red('hello'), green('world'))
+for i, color in enumerate('RGYBMC'):
+    globals()[color] = lambda text, i=i: f'\x1b[{91 + i}m{text}\x1b[0m'
+print(R('hello'), G('world'))
 ```