doubt extern variable here they initialized it is it valid ?

Question

extern int num = 10;  // is it valid ??

Comments

i think ...output must be ..

0 50  ..?

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my question is different ???

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https://www.geeksforgeeks.org/understanding-extern-keyword-in-c/

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@hs_yadav  thanks bro , what do you think here  extern int num = 10 ; will throw error

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Complication error: cannot initialise extern variable.

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hmm  @thepeeyoosh   yup i thinks it will throw error thanks