Data type

there are 4 most common data type that used on c programming :
- char: The most basic data type in C. It stores a single character and requires a single byte of memory in almost all compilers.
- int: As the name suggests, an int variable is used to store an integer.
- float: It is used to store decimal numbers (numbers with floating point value) with single precision.
- double: It is used to store decimal numbers (numbers with floating point value) with double precision.

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