Question

Which of the following identifier names are invalid and why? a) Serial_no. e) Total_Marksb) 1st_Room f) total-Marksc) Hundred$ g) _Percentaged) Total Marks h) True.
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Answer 1

Answer:

hundreds gram is the right answer as gramage is not related with others

Answer 2

Answer:

ANSWER:

i) Serial_no.: Invalid - Identifier in python cannot contain any special character except underscore(_).

ii) 1st_Room: Invalid - Identifier in Python cannot start with a number.

iii) Hundred$: Invalid - Identifier in Python cannot contain any special character except underscore(_).

iv) Total Marks: Invalid - Identifier in Python cannot contain any special character except underscore(_). If more than one word is used as a variable then it can be separated using underscore ( _ ), instead of space.

v) Total_Marks: Valid

vi) total-Marks: Invalid - Identifier in Python cannot contain any special character except underscore(_). If more than one word is used as a variable then it can be separated using underscore ( _ ), instead of a hyphen ( - ).

vii) _Percentage: Valid

viii) True: Invalid - Identifier in Python should not be a reserved keyword