why this-is-name=7 is not correct and THIS_IS_NAME=7 is correct😲

Answer 1

https://www.sololearn.com/Discuss/64860/i-don-t-get-it-why-this-is-name-7-produce-an-error

Answer 2

- is not a valid letter for naming because python uses it as a operator. IE 3-1

_ is valid for breaking up words in a name

Answer 3

go review the first module. it has a section on variables that goes over this.

Answer 4

still dont get it , arent they thé same?

Answer 5

there are rules for naming variables. such as not starting a variable with a number, not containing spaces, and no symbols other than an underscore

Answer 6

because - is an invalid identifiers

Answer 7

u only can use underscores for separating words

Answer 8

No such variables as- CAN be added in the pythons set of rules