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Python – Convert Binary tuple to Integer

  • Last Updated : 02 Sep, 2020
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Given Binary Tuple representing  binary representation of number, convert to integer.

Input : test_tup = (1, 1, 0)
Output : 6
Explanation : 4 + 2 = 6.

Input : test_tup = (1, 1, 1)
Output : 7
Explanation : 4 + 2 + 1 = 7.

Method #1 : Using join() + list comprehension + int()

In this, we concatenate the binary tuples in string format using join() and str(), then convert to integer by mentioning base as 2.



Python3




# Python3 code to demonstrate working of 
# Convert Binary tuple to Integer
# Using join() + list comprehension + int()
  
# initializing tuple
test_tup = (1, 1, 0, 1, 0, 0, 1)
  
# printing original tuple
print("The original tuple is : " + str(test_tup))
  
# using int() with base to get actual number
res = int("".join(str(ele) for ele in test_tup), 2
  
# printing result 
print("Decimal number is : " + str(res)) 
Output
The original tuple is : (1, 1, 0, 1, 0, 0, 1)
Decimal number is : 105

Method #2 : Using bit shift and | operator

In this we perform left bit shift and use or operator to get binary addition and hence compute the result.

Python3




# Python3 code to demonstrate working of 
# Convert Binary tuple to Integer
# Using bit shift and | operator
  
# initializing tuple
test_tup = (1, 1, 0, 1, 0, 0, 1)
  
# printing original tuple
print("The original tuple is : " + str(test_tup))
  
  
res = 0
for ele in test_tup: 
      
    # left bit shift and or operator 
    # for intermediate addition
    res = (res << 1) | ele 
  
# printing result 
print("Decimal number is : " + str(res)) 
Output
The original tuple is : (1, 1, 0, 1, 0, 0, 1)
Decimal number is : 105

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