mutation operators
Function State Keyword Change (FSC) pure -> view
Function Visibility Keyword Change (FVC) private internal external -> public ;
Variable Type Keyword Replacement ( VTR) bytes1 -> bytes32 uint8 ->uint256 ..
Payable Keyword Insert (PKI) -> payable
Require Statement Deletion(RSD) require() -> //require()
Assert Statement Deletion (ASD) assert() -> //assert()
If(**##) -> if(true)
&& -> ||
<,> -> != <,> -> <=,.>=