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Given the following text description, write Python code to implement the functionality described.
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Description:
Round the given number to nearest multiple of 10
function to round the number ; Smaller multiple ; Larger multiple ; Return of closest of two ; driver code

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Python Code:
def round(n ) : 
	 a =(n // 10 ) * 10 
 b = a + 10 
 return(b if n - a > b - n else a ) 
  n = 4722 
 print(round(n ) ) 

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