Which python variable names are invalid?

a) 12monthstotal_pay

b) totalpay$

c) total_january2019

d) januaryrateln%

In the following question, Option(a), Option(b), and Option(d) is correct because in Python programming language we not defined variable in these types.

Explanation:

a). 12MonthsTotal_Pay = 5

output:

SyntaxError: invalid syntax

Because variable is not start with numbers.

b). TotalPay$ = 7

output:

SyntaxError: invalid syntax

Because the variable is not supported any symbol.

d). JanuaryRateln%= 12

output:

SyntaxError: invalid syntax

Because the variable is not supported any sign and symbol.

(A) 12MonthsTotal_Pay (B) TotalPay$ and (D) JanuaryRateIn%

Explanation:  

B and D feature symbols and signs, which aren't allowed in variable names of python. Variables cannot start with numbers, either, so A is invalid. C is the only right answer

you're giving away points because you can't type stuff out.

explanation:

the correct answer is "part of speech" if the portion used is "verb, noun" there is another question similar to this with the same question but different portion. the other portion is "hand write" and the correct component for that question is "antonym".

hope this . : )