how to change any data type into a string in python

Question

How can I change any data type into a string in Python

User · Answer

str object  will do the trick   If you want to alter the way object is stringified  define   str   self  method for object s class  Such method has to return str or unicode object

User · Answer

str is meant to produce a string representation of the object s data  If you re writing your own class and you want str to work for you  add   def   str   self       return  Some descriptive string    print str myObj  will call myObj   str       repr is a similar method  which generally produces information on the class info  For most core library object  repr produces the class name  and sometime some class information  between angle brackets  repr will be used  for example  by just typing your object into your interactions pane  without using print or anything else   You can define the behavior of repr for your own objects just like you can define the behavior of str   def   repr   self       return  Some descriptive string     gt  gt  gt  myObj in your interactions pane  or repr myObj   will result in myObj   repr

User · Answer

Be careful if you really want to  quot change quot  the data type  Like in other cases  e g  changing the iterator in a for loop  this might bring up unexpected behaviour   gt  gt  dct    1 3  2 1   gt  gt  len str dct   12  gt  gt  print str dct    1  31  2  0   gt  gt  l     quot all quot   quot colours quot    gt  gt  len str l   18

User · Answer

myvariable   4 mystring   str myvariable      4    also  alternatively try repr   mystring   repr myvariable     4    This is called  conversion  in python  and is quite common

User · Answer

With str x   However  every data type can define its own string conversion  so this might not be what you want

User · Answer

Use the str built-in   x   str something    Examples    gt  gt  gt  str 1   1   gt  gt  gt  str 1 0   1 0   gt  gt  gt  str           gt  gt  gt  str                 From the documentation      Return a string containing a nicely printable representation of an object  For strings  this returns the string itself  The difference with repr object  is that str object  does not always attempt to return a string that is acceptable to eval    its goal is to return a printable string  If no argument is given  returns the empty string

User · Answer

Just use str - for example    gt  gt  gt  str

User · Answer

I see all answers recommend using str object   It might fail if your object have more than ascii characters and you will see error like ordinal not in range 128   This was the case for me while I was converting list of string in language other than English  I resolved it by using unicode object

User · Answer

You can use  s like below   gt  gt  gt    s

User · Answer

Use formatting     s     x    Example   x   time ctime    str     s     x   print str   Output   Thu Jan 11 20 40 05 2018

[python] how to change any data type into a string in python

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