human
Generate a string whose all K | Function to return the required required string.
Iterate the given string.
Append the first character of every substring of length K.
Consider all characters from the last substring.
Driver code"
How can the above be solved in Python?
assistant
#Here is code to generate a string whose all K and the other steps required.
 def decode_String ( st , K ) :
	ans = " "
	for i in range ( 0 , len ( st ) , K ) :
		ans += st [ i ]
	for i in range ( len ( st ) - ( K - 1 ) , len ( st ) ) :
		ans += st [ i ]
	print ( ans )
if __name__ == " _ _ main _ _ " :
	K = 3
	st = " abcbcscsesesesd "
	decode_String ( st , K )