Two values from one input in python

Question

This is somewhat of a simple question and I hate to ask it here  but I can t seem the find the answer anywhere else  is it possible to get multiple values from the user in one line of Python    For instance  in C I can do something like this  scanf   d  d    amp var1   amp var2   However  I can t figure out what the Python equivalent of that is  I figured it would just be something like var1  var2   input  Enter two numbers here      but that doesn t work and I m not complaining because it wouldn t make a whole lot of sense if it did    Does anyone out there know a good way to do this elegantly and concisely

User · Answer

Two inputs separated by space   x y input   split

User · Answer

This solution is being used for converting multiple string like   22 44 112 2 34   to an integer list and you can access to the values in a list    n   input       Like    22 343 455 54445 22332   if n  -1          n         char      list       for i in n       if i                 char    i     elif i                 list append int char           char       print list    Be happy

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For n number of inputs declare the variable as an empty list and use the same syntax to proceed    gt  gt  gt  x input  Enter value of a and b   split      Enter value of a and b 1 2 3 4  gt  gt  gt  x   1    2    3    4

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In Python 3  raw input   was renamed to input     input  prompt        If the prompt argument is present  it is written to standard output   without a trailing newline  The function then reads a line from input    converts it to a string  stripping a trailing newline   and returns   that  When EOF is read  EOFError is raised    So you can do this way  x  y   input  Enter two numbers separating by a space     split    print int x    int y     If you do not put two numbers using a space you would get a ValueError exception  So that is good to go    N B  If you need old behavior of input    use eval input

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I tried this in Python 3   seems to work fine    a  b   map int input   split     print a   print b       Input   3 44      Output        3      44

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In Python 2    input lets the user enter any expression  e g  a tuple    gt  gt  gt  a  b   input  Two numbers please  with a comma in between      Two numbers please  with a comma in between   23  45  gt  gt  gt  print a  b 23 45   In Python 3    input is like 2   s raw input  returning you a string that s just what the user typed  rather than evaling it as 2   used to do on input   so you ll have to  split  and or eval   amp c but you ll also be MUCH more in control of the whole thing

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The Python way to map  printf  Enter two numbers here      scanf   d  d    amp var1   amp var2    would be   var1  var2   raw input  Enter two numbers here     split     Note that we don t have to explicitly specify split      because split   uses any whitespace characters as delimiter as default  That means if we simply called split   then the user could have separated the numbers using tabs  if he really wanted  and also spaces    Python has dynamic typing so there is no need to specify  d  However  if you ran the above then var1 and var2 would be both Strings  You can convert them to int using another line  var1  var2    int var1   int var2     Or you could use list comprehension  var1  var2    int x  for x in  var1  var2     To sum it up  you could have done the whole thing with this one-liner     Python 3 var1  var2    int x  for x in input  Enter two numbers here     split       Python 2 var1  var2    int x  for x in raw input  Enter two numbers here     split

User · Answer

a b  int x  for x in input   split    print a b    Output     10 8   10 8

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All input will be through a string  It s up to you to process that string after you ve received it  Unless that is  you use the eval input    method  but that isn t recommended for most situations anyway   input string   raw input  Enter 2 numbers here     a  b   split string into numbers input string  do stuff a  b

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This is a sample code to take two inputs seperated by split command and delimiter as         gt  gt  gt  var1  var2   input  enter two numbers    split       gt  gt  gt enter two numbers 2 3  gt  gt  gt  var1  2   gt  gt  gt  var2  3     Other variations of delimiters that can be used are as below   var1  var2   input  enter two numbers    split      var1  var2   input  enter two numbers    split      var1  var2   input  enter two numbers    split      var1  var2   input  enter two numbers    split      var1  var2   input  enter two numbers    split

User · Answer

You can do this way   a  b   map int  input   split      OR  a  b   input   split   print int a     OR  MyList   list map int  input   split     a   MyList 0  b   MyList 1

User · Answer

The easiest way that I found for myself was using split function with input Like you have two variable a b  a b input  Enter two numbers   split     That s it  there is one more method explicit method  Eg- you want to take input in three values  value input  Enter the line   a b c value split     EASY

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If you need to take two integers say a b in python you can use map function  Suppose input is    1 5 3 1 2 3 4 5   where 1 represent test case  5 represent number of values and 3 represents a task value and in next line given 5 values  we can take such input using this method in PYTH 2 x Version   testCases int raw input    number  taskValue   map int  raw input   split    array   map int  raw input   split      You can replace  int  in map   with another datatype needed

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You have to use the split   method which splits the input into two different inputs  Whatever you pass into the split is looked for and the input is split from there  In most cases its the white space   For example  You give the input 23 24 25  You expect 3 different inputs like  num1   23 num2   24 num3   25   So in Python  You can do  num1 num2 num3   input   split

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You can t really do it the C way  I think  but a pythonic way of doing this would be  if your  inputs  have spaces in between them    raw answer   raw input   answers   raw answer split        list of  answers    So you could rewrite your try to   var1  var2   raw input  enter two numbers    split        Note that this it somewhat less flexible than using the  first  solution  for example if you add a space at the end this will already break    Also be aware that var1 and var2 will still be strings with this method when not cast to int

User · Answer

if we want to two inputs in a single line so  the code is are as follows enter code here   x y input   split       print x y    after giving value as input we have to give spaces between them because of split      function or method   but these values are of string type if to perform some arithmetic operations we have to convert the type of x y are as follows int x  int y   we can do this also with the help of list in python enter code here  list1 list map int input   split     print list1    this list gives the elements in int type

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The solution I found is the following     Ask the user to enter two numbers separated by a comma or other character  value   input  Enter 2 numbers  separated by a comma       Then  the string is split  n takes the first value and m the second one  n m   value split       Finally  to use them as integers  it is necessary to convert them  n  m   int n   int m

User · Answer

Check this handy function   def gets  types       return tuple  types i  val  for i  val in enumerate raw input   split            usage  a  b  c   gets int  float  str

[python] Two values from one input in python?

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