Write a Python program that reads in a string S and an integer number N and encr

Question

Write a Python program that reads in a string S and an integer number N and encripts S based on N The process of encryption is Step 1: reverse the first N characters of S Step 2: reverse the last N characters of S Note that it is important that the two steps are performed in that order. We will assume that N is smaller than the length of the string S. Examples of encryption: The string "This is a test" with the key N=4 is encrypted to "sihT is a tset" The string "Another example" with the key N=2 is ecnrypted to "nAother exampel"

Explanation / Answer

S = "This is a test"

print S

N = 4

S[1::-1]

print S[1::-1]

print " "

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