Fix

Author: ssssank

README.md

@@ -19,7 +19,7 @@ pip install hexlet-pairs
     pairs.is_pair(p)  # True
     pairs.car(p)  # 42
     pairs.cdr(p)  # 'foo'
-    print(pairs.to_string(p))  # (42, 'foo')
+    print(pairs.to_string(p))  # cons(42, 'foo')
 
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