Convert binary to string using Python - GeeksforGeeks

15 Oct, 2021
Data conversion has always been widely used utility and one among them can be the conversion of a binary equivalent to its string. Let’s discuss certain ways in which this can be done.Method #1:The naive approach is to convert the given binary data in decimal by taking the sum of binary digits (dn) times their power of 2*(2^n). The binary data is divided into sets of 7 bits because this set of binary as input, returns the corresponding decimal value which is ASCII code of the character of a string. This ASCII code is then converted to string using chr() function.Note: Here we do slicing of binary data in the set of 7 because, the original ASCII table is encoded on 7 bits, therefore, it has 128 characters. 
Python3
# Python3 code to demonstrate working of# Converting binary to string# Using BinarytoDecimal(binary)+chr()   # Defining BinarytoDecimal() functiondef BinaryToDecimal(binary):            binary1 = binary    decimal, i, n = 0, 0, 0    while(binary != 0):        dec = binary % 10        decimal = decimal + dec * pow(2, i)        binary = binary//10        i += 1    return (decimal)    # Driver's code# initializing binary databin_data ='10001111100101110010111010111110011'  # print binary dataprint("The binary value is:", bin_data)  # initializing a empty string for# storing the string datastr_data =' '  # slicing the input and converting it# in decimal and then converting it in stringfor i in range(0, len(bin_data), 7):         # slicing the bin_data from index range [0, 6]    # and storing it as integer in temp_data    temp_data = int(bin_data[i:i + 7])          # passing temp_data in BinarytoDecimal() function    # to get decimal value of corresponding temp_data    decimal_data = BinaryToDecimal(temp_data)          # Decoding the decimal value returned by    # BinarytoDecimal() function, using chr()    # function which return the string corresponding    # character for given ASCII value, and store it    # in str_data    str_data = str_data + chr(decimal_data)  # printing the resultprint("The Binary value after string conversion is:",       str_data)
Output: 
The binary value is: 10001111100101110010111010111110011
The Binary value after string conversion is:  Geeks
Method #2: Using int() function Whenever an int() function is provided with two arguments, it tells the int() function that the second argument is the base of the input string. If the input string is larger than 10, then Python assumes that the next sequence of digits comes from ABCD... .Therefore, this concept can be used for converting a binary sequence to string. Below is the implementation. 
Python3
# Python3 code to demonstrate working of# Converting binary to string# Using BinarytoDecimal(binary)+chr()   # Defining BinarytoDecimal() functiondef BinaryToDecimal(binary):         # Using int function to convert to    # string      string = int(binary, 2)         return string     # Driver's code# initializing binary databin_data ='10001111100101110010111010111110011'  # print binary dataprint("The binary value is:", bin_data)  # initializing a empty string for# storing the string datastr_data =' '  # slicing the input and converting it# in decimal and then converting it in stringfor i in range(0, len(bin_data), 7):         # slicing the bin_data from index range [0, 6]    # and storing it in temp_data    temp_data = bin_data[i:i + 7]          # passing temp_data in BinarytoDecimal() function    # to get decimal value of corresponding temp_data    decimal_data = BinaryToDecimal(temp_data)          # Decoding the decimal value returned by    # BinarytoDecimal() function, using chr()    # function which return the string corresponding    # character for given ASCII value, and store it    # in str_data    str_data = str_data + chr(decimal_data) # printing the resultprint("The Binary value after string conversion is:",       str_data)
Output:  
The binary value is: 10001111100101110010111010111110011
The Binary value after string conversion is:  Geeks
 
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