Fixing format in floating point precision docs

Author: Jessica Oraegbu

doc/source/user_guide/io.rst

@@ -1700,7 +1700,8 @@ The conversion process is not always guaranteed to be accurate because small dif
    x2 = df2['One'][0]
 
    print(f"x0 = {x0}; x1 = {x1}; Are they equal? {x0 == x1}")
-   print("x0 = %f; x2 = %f; Are they equal? %s" % (x0, x2, (x0 == x2)))
+   print(f"x0 = {x0}; x2 = {x2}; Are they equal? {x0 == x2}")
+
 
    os.remove('test.csv')