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Given the following text description, write Python code to implement the functionality described.
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Description:
Convert the string into palindrome string by changing only one character
Function to check if it is possible to convert the string into palindrome ; Counting number of characters that should be changed . ; If count of changes is less than or equal to 1 ; Driver Code

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Python Code:
def checkPalindrome(str ) : 
	 n = len(str ) 
 count = 0 
 for i in range(0 , int(n / 2 ) ) : 
	 if(str[i ] != str[n - i - 1 ] ) : 
	 count = count + 1 
   if(count <= 1 ) : 
	 return True 
  else : 
	 return False 
   str = "abccaa "
 if(checkPalindrome(str ) ) : 
	 print("Yes ") 
  else : 
	 print("No ") 
 
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