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Program to print characters present at prime indexes in a given string | Python3 program to print Characters at Prime index in a given String.
Corner case.
Check from 2 to n - 1.
Function to print character at prime index.
Loop to check if index prime or not.
Driver Code"
Solution in Python:

What is a code to program to print characters present at prime indexes in a given string and the other steps required?
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#Here is code to program to print characters present at prime indexes in a given string and the other steps required.
 def isPrime ( n ) :
	if n <= 1 :
		return False
	for i in range ( 2 , n ) :
		if n % i == 0 :
			return False ;
	return True
def prime_index ( input ) :
	p = list ( input )
	s = " "
	for i in range ( 2 , len ( p ) + 1 ) :
		if isPrime ( i ) :
			s = s + input [ i - 1 ]
	print ( s )
input = " GeeksforGeeks "
prime_index ( input )