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C Language > Learn C Language > Should variables be stored in local blocks?
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Should variables be stored in local blocks?

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13yrs exp. Math, Computers, Science, English Trainer. Improvement In Scores Guaranteed.

Variables in local blocks are auto variables, meaning created and removed from memory, automatically.
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Thank You for the question Sayed.... The use of local blocks for storing variable is unusual and therefore should be avoided. Thanks, Team DishaaPro www.dishaapro.com
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Software Engineer

yes
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Educator

Yes, it is a good practice to store variables in local blocks if it is to be used in that block only. Global variables increase the risk as their value can be changed by any function in the program, making it difficult to debug.
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Computer Incharger

The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function. You also might want to use a...
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The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function. You also might want to use a local block when you want to make your program more readable in the current context. Sometimes having the variable declared closer to where it is used makes your program more readable. However, well-written programs usually do not have to resort to declaring variables in this manner, and you should avoid using local blocks. read less
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Tutor

when you might want to declare a local instance of a global variable to test within your function. You also might want to use a local block when you want to make your program more readable in the current context.
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Computer & Maths Professor

The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function.
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Python and Unix Professional(10 years IT Exp)

yes
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Programming Trainer

It's better to use local variable to enhance space complexity of the program but if it's required the it's okay to use global too.
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Computer Programming Expert and Software Developer

It is better to store variables in local block to avoid unauthorized access by external entity. But if we want any variable to be access publicly, we can declare it as global.
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