human
Longest subsequence with consecutive English alphabets | Function to find the length of subsequence starting with character ch.
Length of the string.
Stores the maximum length.
Traverse the given string.
If s [ i ] is required character ch.
Increment ans by 1.
Increment character ch.
Return the current maximum length with character ch.
Function to find the maximum length of subsequence of consecutive characters.
Stores the maximum length of consecutive characters.
Update ans.
Return the maximum length of subsequence.
Driver Code.
Input.
Function Call"
How can the above be solved in Python?
 Write me a code to longest subsequence with consecutive English alphabets and the other steps required?
assistant
#Here is code to longest subsequence with consecutive English alphabets and the other steps required.
 def findSubsequence ( S , ch ) :
	N = len ( S )
	ans = 0
	for i in range ( N ) :
		if ( S [ i ] == ch ) :
			ans += 1
			ch = chr ( ord ( ch ) + 1 )
	return ans
def findMaxSubsequence ( S ) :
	ans = 0
	for ch in range ( ord ( ' a ' ) , ord ( ' z ' ) + 1 ) :
		ans = max ( ans , findSubsequence ( S , chr ( ch ) ) )
	return ans
if __name__ == ' _ _ main _ _ ' :
	S = " abcabefghijk "
	print ( findMaxSubsequence ( S ) )