Python programming Exercises-string shift exercises

title Source: Cattle and Guest Network
for a string, design an algorithm that will have the length of the stringLenthe prefix is translated to the end of the string.

given a stringAand its length, given at the same timeLen, please return the translated string.

Test Examples:
"ABCDE", 5,3
return:"DEABC"

Python implementation

Code

def forwardmove (alist): #平移一个单位 first = alist[0] for i in Xrange (Len (alist)-1): alist[i] = alist[i+1] A List[-1] = FirstClass translation:def stringtranslation (self, A, N, Len): # write code here Alist = List (A) for I in Xrange (len): Forwardmove (alist) return '. Join (Alist)

C + + implementation

Code

Class Translation {public:string stringtranslation (string A, int n, int len) {//write code here String        :: Iterator it;        it = A.begin () + len;        Reverse (A.begin (), it);        Reverse (It,a.end ());        Reverse (A.begin (), A.end ());    return A; }};

2018-9-3 Night

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Python programming Exercises-string shift exercises