Update README.md

Author: Mr-DS-ML-85

README.md

@@ -46,6 +46,8 @@
 |  Simple Calculator  | - Ask for two numbers and an operator (+, -,*, /, **  ).<br>    <br>- Use `if` to perform the calculation. | simple_calculator.py   |      N/A       |
 
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+### Tips :
+- ✅ Make a Dump folder that can be used to test small code
+- ✅ Make a Test Folder for Testing the Project and then finally add the complete code on outside this folders