CTFlearn-Writeups/Cryptography/5x5 Crypto/Flag.py

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2020-07-31 18:48:25 +05:30
import numpy as np
arr = np.arange(65,90).reshape(5, 5) # Array of alphabet
arr = np.where(arr <75, arr, arr+1) # Array without 'K'
cells = ["1-3","4-4","2-1","{","4-4","2-3","4-5","3-2","1-2","4-3","_","4-5","3-5","}"]
for i in cells:
if(ord(i[0])>=48 and ord(i[0])<=57):
x=int(i[0])-1
y=int(i[2])-1
print(chr(arr[x][y]),end="")
else:
print(i[0],end="")
print("\n")