value and variables

1: Variables should be in camel case letters.

E.g: myNameIsShivm

2: Variable can not carry number

E.g: 1myName

3: Mera character not allowed %$#@&!

E.g: @myname

4: a keyword can not be a variable and we should not start a variable in uppercase

E.g: let if =

6: a variable name should be descriptive.

E.g