Update README.md

README.md

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-## 4) Random Numbers
+
+~## 4) Random Numbers~ `// this problem is under maintainence; attempt at your own discretion.`
 In the class **Numbers**, complete the method called **random4()** so that it returns a string of out four random integers between 0 and 9. The Unit Test is not provided for you, you must complete it.
 
 ### Example<br>