human
Length of Smallest Non Prime Subsequence in given numeric String | Function to find the smallest length of resultant subsequence.
Check for a subsequence of size 1.
Check for a subsequence of size 2.
If none of the above check is successful then subsequence must be of size 3.
Never executed.
Driver Code"
Solution in Python:

Can you provide a code to length of Smallest Non Prime Subsequence in given numeric String and the other steps required?
assistant
#Here is code to length of Smallest Non Prime Subsequence in given numeric String and the other steps required.
 def findMinimumSubsequence ( S ) :
	flag = False
	dummy = ' '
	for j in range ( len ( S ) ) :
		if ( S [ j ] != '2' and S [ j ] != '3' and S [ j ] != '5' and S [ j ] != '7' ) :
			print ( 1 )
			flag = True
			break
	if ( flag == False ) :
		for j in range ( len ( S ) ) :
			for j1 in range ( j + 1 , len ( S ) , 1 ) :
				dummy = S [ j ] + S [ j1 ]
				if ( dummy != "23" and dummy != "37" and dummy != "53" and dummy != "73" ) :
					print ( 2 )
				if ( flag == True ) :
					break
				else :
					flag = True
			if ( flag == True ) :
				break
	if ( flag == False ) :
		if ( len ( S ) >= 3 ) :
			print ( 3 )
		else :
			print ( - 1 )
if __name__ == ' _ _ main _ _ ' :
	S = "237"
	findMinimumSubsequence ( S )