Page 72 - Play v1.0 gujarati class 8
P. 72
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 yLzhMfkuh (_) Úke 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 ykÕVk-LÞq{urhf, (A-Z ƒt™u {kuxk Œu{s ™k™k) yûkhku y™u yLzhMfkuh 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{ fu‚ ‚tðuË™þe÷ Au.
fux÷kf {kLÞ ðurhÞuƒ÷ ™k{™k WËknhýku:
Gaurav123, mygood_book, _usha93, MiraYadav, age, ð„uhu .
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)
yûkh ‚{qn yux÷u fu {q¤kûkhku, ytfku yÚkðk ¾k‚ «Œefku suðk …kºkku fu su™ku W…Þku„ …kÞÚkku™ 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÷Lkk ™k{ Œhefu W…Þku„ fhe þfkŒku ™Úke fkhý fu Œuyku RLxhr«xh {kxu rðþu»k yÚko Ähkðu
Au. …kÞÚkku™{kt, feðzoT‚ fu‚ ‚tðuË™þe÷ nkuÞ Au.
…kÞÚkku™{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 or marks = 99.5
70 M od ul ar ( V er 1 . 0 ) - V I I I
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