Convert string to ASCII value python

Question

How would you convert a string to ASCII values    For example   hi  would return 104105   I can individually do ord  h   and ord  i    but it s going to be troublesome when there are a lot of letters

User · Answer

If you are using python 3 or above    gt  gt  gt  list bytes b test     116  101  115  116

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def stringToNumbers ord message        return stringToNumbers     stringToNumbers append    ord 0       stringToNumbers     morocco

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you can actually do it with numpy   import numpy as np a   np fromstring  hi   dtype np uint8  print a

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your description is rather confusing  directly concatenating the decimal values doesn t seem useful in most contexts  the following code will cast each letter to an 8-bit character  and THEN concatenate  this is how standard ASCII encoding works  def ASCII s       x   0     for i in xrange len s            x    ord s i   2   8    len s  - i - 1       return x

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It is not at all obvious why one would want to concatenate the  decimal   ascii values   What is certain is that concatenating them without leading zeroes  or some other padding or a delimiter  is useless -- nothing can be reliably recovered from such an output    gt  gt  gt  tests     hi    Hi    HI     x0A x29 x00 x05    gt  gt  gt      join   d    ord c  for c in s  for s in tests    104105    72105    7273    104105     Note that the first 3 outputs are of different length  Note that the fourth result is the same as the first    gt  gt  gt      join   03d    ord c  for c in s  for s in tests    104105    072105    072073    010041000005    gt  gt  gt       join   d    ord c  for c in s  for s in tests    104 105    72 105    72 73    10 41 0 5    gt  gt  gt      join   02x    ord c  for c in s  for s in tests    6869    4869    4849    0a290005    gt  gt  gt    Note no such problems

User · Answer

You can use a list comprehension    gt  gt  gt  s    hi   gt  gt  gt   ord c  for c in s   104  105

User · Answer

If you want your result concatenated  as you show in your question  you could try something like    gt  gt  gt  reduce lambda x  y  str x  str y   map ord  hello world     10410110810811132119111114108100

User · Answer

Here is a pretty concise way to perform the concatenation    gt  gt  gt  s    hello world   gt  gt  gt     join str ord c   for c in s   10410110810811132119111114108100    And a sort of fun alternative    gt  gt  gt    d  len s    tuple map ord  s    10410110810811132119111114108100

[python] Convert string to ASCII value python

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