print("after explicit conversion",cprint(type( )outputbefore explicit conversion after explicit conversion variables variables are just names of memory locations variables are used to store and retrieve values from memory type of the variable is based on the value we assign to the variable variables are containers for storing the data value but there are few rules to follow when choosing name of variable names must start with letter or underscore and can be followed by any number of lettersdigitsor underscores cannot start with number it contain alpha-numeric characters undescore variable names are case sensitive(age,age,age are differentnames cannot be reserved words or keywords syntax variablename value egx ='pythonz= assign value to multiple variable , , = , , print(xprint(yprint(zx, , = ,'ayaan', print(xprint(yprint(zidentify the following are valid or invalid?? = ---valid _a= ---valid = ---invalid @= ---invalid = ---valid