CareerCup

reverse(String str){
if(str.length()==1)
return str;
return str.charAt(str.length()-1) + reverse(str.substring(0, str.length()-2));

}

public class StringRotate {

public static void main(String[] args) {
String str="General Electric";
StringBuffer sb = new StringBuffer();
for(String s: str.split(" ")){
sb.append(shift(s,3));
sb.append(" ");
}
System.out.println(sb.toString());
}

public static String shift(final String input, final int shift){
if(input==null || input.length()==0){
return "";
}
int length = input.length();
int offSet = shift % length;
return input.substring(offSet,length)+input.substring(0,offSet);
}
}

if(str2.length()==1) {
return str2;
}else {
return str2.charAt(str2.length()-1)+reverse(str2.substring(0, str2.length()-1));

}
}

if(str2.length()==1) {
			return str2;
			}else {
				return str2.charAt(str2.length()-1)+reverse(str2.substring(0, str2.length()-1));
			
		}

}

def rightShift(str_var,rightS):
    lst = list(str_var)
    for i in range(rightS):
       lst.insert(0,lst.pop())     
    str_right = ''.join(str(e) for e in lst)
    print str_right
    
def leftShift(str_var,leftS):
    lst = list(str_var)
    for i in range(leftS):        
       lst.insert(len(lst) - 1,lst.pop(0)) 
    str_left = ''.join(str(e) for e in lst)
    print str_left 

str_var = "rightshift"
print str_var
rightShift(str_var,2)
leftShift(str_var,2)

def right_shift(string):
    return string[-3::] + string[0:-3]


def left_shift(string):
    return string[3::] + string[0:3]


print(right_shift("HelloWorld"))
print(left_shift("HelloWorld"))

Python

def takeinput():
	s = raw_input ("Please Enter the String :")
	n = input ("Please enter 'n' :" )
	n = int(n)
	
	len1 = len(s)
	if len1 <= n:
		print "Shifts cannot be performed on this string!!"


	s1 = leftshift(s,n)
	s2 = rightshift(s,n)

	return s1,s2


def leftshift(s,n):
	len1 = len(s)
	s1 = ''
	for i in range(n,len1):
		s1 = s1+s[i]

	for i in range(0,n):
		s1 = s1+s[i]

	return s1

def rightshift(s,n):
	len1 = len(s)
	s2 = ''
	for i in range (len1-n, len1):
		s2 = s2 + s[i]
	
	for i in range (0, len1-n) :
		s2 = s2+s[i]

	return s2



s1,s2 = takeinput()
print ("Left Shift on String is %s :" , s1)
print ("Right Shift on String is %s :", s2)