Page 85 - Play v1.0 gujarati class 8
P. 85
ðurhÞuƒ÷™k ™k{fhý™k r™Þ{ku (Rules of Naming Variables)
ðurhÞuƒ÷™u ™k{ yk…ðk™k r™Þ{ku Au:
(i) ðurhÞuƒ÷ ™k{ yûkh (a-z ,A-Z) yÚkðk yLzhMfkuhÚke þY Úkðwt òuEyu. (_).
(ii) ðurhÞuƒ÷™wt ™k{ ytfÚke þY ÚkE þfŒwt ™Úke.
(iii) feðzoT‚™ku ðurhÞuƒ÷™k ™k{ Œhefu W…Þku„ fhe þfkŒku ™Úke.
(iv) ðurhÞuƒ÷ {kºk yûkhku-yktfzkfeÞ yûkhku y™u yLzhMfkuh (A-Z ƒt™u {kuxk Œu{s ™k™k) y™u (0-9) ‚tÏÞkyku ‚{kðe
þfu Au.
(v) ðurhÞuƒ÷ ™k{{kt fkuE ¾k‚ «Œefku su{ fu ! , @, #, $, %, ð„uhu™ku W…Þku„ fhe þfkŒku ™Úke.
(vi) ðurhÞuƒ÷ ™k{ku fu‚ ‚tðuË™þe÷ Au.
fux÷kf {kLÞ ðurhÞuƒ÷ ™k{ku™k WËknhýku:
Gaurav123, mygood_book, _usha93, MiraYadav, age, etc.
fux÷kf y{kLÞ ðurhÞuƒ÷™k WËknhýku:
1_Name, @Address, 1234, –Age
ƒnwrðÄ ðurhÞuƒ÷ y‚kE™{uLx (Multiple Variable Assignment)
yk…ý™u yuf ‚kÚku y™uf ðurhÞuƒ÷™u yuf s {qÕÞ ‚kut…ðk™e …hðk™„e yk…u Au.
Ëk¾÷k Œhefu,
a = b = c = 32
W…hkuõŒ WËknhý{kt, ƒÄk ðurhÞuƒ÷ a, b y™u c ™u {qÕÞ 32 ‚kut…ðk{kt ykðþu. yk…ýu ƒnwrðÄ {qÕÞku …ý fhe þfeyu
Aeyu yuf ‚kÚku y™uf [÷ku.
Ëk¾÷k Œhefu,
a, b, c = 32, 96.4 , “Aryan”
W…hkuõŒ WËknhý{kt, [÷ a ™u {qÕÞ 32 ‚kut…ðk{kt ykðþu, [÷ b ™u 96.4 {qÕÞ ‚kut…ðk{kt ykðþu y™u ðurhÞuƒ÷ c ™u {qÕÞ
‘‘ykÞo™’’ ‚kut…ðk{kt ykðþu.
fuhuõxh ‚ux (Character Set)
yuf yûkh ‚{qn yux÷u fu {q¤kûkhku, ytfku yÚkðk ¾k‚ «Œefku suðk …kºkku fu su™ku W…Þku„ …kÞÚk™ ¼k»kk{kt «ku„úkB‚ ÷¾e
þfkÞ Au.
Alphabet A–Z or a–z
Digits 0–9
Special symbols ~ ‘ ‘ ! @ # $ % ^ & ( ) * - _ + = : \ ] { } ; “ < > , ? | `
feðzoT‚ (Keywords)
yk y™k{Œ þçËku Au su™ku ðurhÞuƒ÷ ™k{ Œhefu W…Þku„ fhe þfkŒku ™Úke fkhý fu Œuyku RLxhr«xh {kxu M…urþÞ÷ yÚko
Ähkðu Au. …kÞÚk™{kt, feðzoT‚ fu‚ ‚tðuË™þe÷ nkuÞ Au.
…kÞÚk™{kt fux÷kf feðzoT‚™k WËknhýku Au:
True, elif, del, if, None, False, import, else, ð„uhu.
zuxk «fkhku (Data Types)
zuxk™k «fkh yÚkðk {qÕÞ fu su ðurhÞuƒ÷{kt ‚t„úrnŒ fhe þfkÞ Au Œu™u zuxk «fkh fnuðk{kt ykðu Au. …kÞÚkku™{kt A «{ký¼qŒ
zuxk «fkhku Au su ™e[u {wsƒ Au:
™tƒh : yk zuxk «fkh INTEGER VALUE, LONG VALUES,FLOTING POINTS NUMBERS ™u ‚t„úrnŒ fhu Au.
WËknhý Œhefu: a = 3 yÚkðk marks = 99.5
ÃkkÞÚkLkLkku Ãkrh[Þ 83

