[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

bit_manipulation/hamming_code_generator.py

@@ -1,21 +1,22 @@
-""""
+""" "
 Author: Ayush Chakraborty
 Date: 6th October 2024
 
-generate (15,11) hamming encoded bits gives 11 bit data 
+generate (15,11) hamming encoded bits gives 11 bit data
 
 input: 11 bit binary number with type string
 return: 16 bit binary hamming encoded number returned in string form
 """
 
+
 def hamming_15_11(number: str) -> str:
     """
     Performs parity checks to assign values to the redundant bits, in the 16 bit number
     returned, bits at index 0, 1, 2, 4, 8 are redundant bits used for checking
 
     Hamming generated 16 bits generated from the 11 bit binary number can only detect and change
-    a single bit change, but can only detect more than a single bit change 
-    
+    a single bit change, but can only detect more than a single bit change
+
     for more theoretical knowledege about Hamming codes, refer: https://www.youtube.com/watch?v=X8jsijhllIA&t=143s
     by 3B1B YT channel
 
@@ -27,39 +28,82 @@ def hamming_15_11(number: str) -> str:
     '0011001101100110'
     >>> hamming_15_11("10001000010")
     '0001100001000010'
-       
+
     """
     if len(number) == 11:
-        digits = [0 if number[i] == '0' else 1 for i in range(len(number))]
+        digits = [0 if number[i] == "0" else 1 for i in range(len(number))]
         total_num_1 = sum(digits)
         hamming_digits = [0 for i in range(16)]
-        bit_1 = reduce(lambda x,y:x^y, [digits[1], digits[4], digits[8], digits[0], digits[3], digits[6], digits[10]])
-        bit_2 = reduce(lambda x,y:x^y, [digits[2], digits[5], digits[9], digits[0], digits[3], digits[6], digits[10]])
-        bit_3 = reduce(lambda x,y:x^y, [digits[1], digits[2], digits[3], digits[7], digits[8], digits[9], digits[10]])
-        bit_4 = reduce(lambda x,y:x^y, [digits[4], digits[5], digits[6], digits[7], digits[8], digits[9], digits[10]])
-        bit_0 = int(total_num_1%2)^bit_1^bit_2^bit_3^bit_4
+        bit_1 = reduce(
+            lambda x, y: x ^ y,
+            [
+                digits[1],
+                digits[4],
+                digits[8],
+                digits[0],
+                digits[3],
+                digits[6],
+                digits[10],
+            ],
+        )
+        bit_2 = reduce(
+            lambda x, y: x ^ y,
+            [
+                digits[2],
+                digits[5],
+                digits[9],
+                digits[0],
+                digits[3],
+                digits[6],
+                digits[10],
+            ],
+        )
+        bit_3 = reduce(
+            lambda x, y: x ^ y,
+            [
+                digits[1],
+                digits[2],
+                digits[3],
+                digits[7],
+                digits[8],
+                digits[9],
+                digits[10],
+            ],
+        )
+        bit_4 = reduce(
+            lambda x, y: x ^ y,
+            [
+                digits[4],
+                digits[5],
+                digits[6],
+                digits[7],
+                digits[8],
+                digits[9],
+                digits[10],
+            ],
+        )
+        bit_0 = int(total_num_1 % 2) ^ bit_1 ^ bit_2 ^ bit_3 ^ bit_4
 
         redundant_bits = [bit_0, bit_1, bit_2, bit_3, bit_4]
 
         j = -1
         r = 0
         for k in range(16):
-            if (k == 0 or k==1 or k==2 or k==4 or k==8):
+            if k == 0 or k == 1 or k == 2 or k == 4 or k == 8:
                 hamming_digits[k] = redundant_bits[r]
                 r += 1
             else:
                 j += 1
-                hamming_digits[k] = digits[j]   
+                hamming_digits[k] = digits[j]
+
+        return "".join([str(i) for i in hamming_digits])
 
-        return ''.join([str(i) for i in hamming_digits])
-    
     else:
         return "please provide a 11 bit binary number"
 
+
 if __name__ == "__main__":
     from functools import reduce
     import doctest
 
     doctest.testmod()
-
-