Convert decimal to binary in python

Question

Is there any module or function in python I can use to convert a decimal number to its binary equivalent  I am able to convert binary to decimal using int   binary value   2   so any way to do the reverse without writing the code to do it myself

User · Answer

I agree with  aaronasterling s answer  However  if you want a non-binary string that you can cast into an int  then you can use the canonical algorithm   def decToBin n       if n  0  return        else          return decToBin n 2    str n 2

User · Answer

For the sake of completion  if you want to convert fixed point representation to its binary equivalent you can perform the following operations    Get the integer and fractional part   from decimal import   a   Decimal 3 625  a split    int a  1  a 1   Convert the fractional part in its binary representation  To achieve this multiply successively by 2   fr   a split 1  str int fr 2     str int 2  fr 2  1            You can read the explanation here

User · Answer

n int input  please enter the no  in decimal format      x n k    while  n gt 0       a int float n 2       k append a      n  n-a  2 k append 0  string    for j in k   -1       string string str j  print  The binary no  for  d is  s   x  string

User · Answer

You can also use a function from the numpy module  from numpy import binary repr   which can also handle leading zeros   Definition      binary repr num  width None  Docstring      Return the binary representation of the input number as a string       This is equivalent to using base repr with base 2  but about 25x     faster       For negative numbers  if width is not given  a - sign is added to the     front  If width is given  the two s complement of the number is     returned  with respect to that width

User · Answer

0  b   format my int

User · Answer

all numbers are stored in binary  if you want a textual representation of a given number in binary  use bin i    gt  gt  gt  bin 10   0b1010   gt  gt  gt  0b1010 10

User · Answer

Without the 0b in front     0 b   format int    Starting with Python 3 6 you can also use formatted string literal or f-string  --- PEP     f  int b

User · Answer

def dec to bin x       return int bin x  2      It s that easy

[python] Convert decimal to binary in python

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