Question

given below are certain identifiers. check whether they are valid or not, if not, specify the reason. I) data-rec ii)1stnumber iii) print iv)_address v)total.marks​

Answer 1

Answer:

Invalid identifiers:

1 data – The first character shouldn’t be a number

my.file – Periods are not allowed

elif, lambda and break – Keywords can’t be used as identifiers

Rest are valid identifiers