Is there a way to assign numbers to several variables in the same line?

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I'm working on a school project relating to calendars. I want to assign the input, i.e the name of a month, to a number. January to 1, February to 2, etc. For the time being, I've just used

if month == ('JANUARY'):
    month = 1
if month == ('FEBRUARY'):
    month = 2

and so on, but doing that with every month is ugly and takes up a lot of space. Is there a way to have all of the months in one line and assign the selected month its corresponding number?

There are many ways to do this. Here is one:

month = ['JANUARY', 'FEBRUARY', ...].index(month) + 1

index returns the position of an element into a list, starting at 0.

assign multiple variables to the same value in Javascript, All variables will still point to the same object so any change in one variable will be In your specific case, I think that the long way is probably more let , or const variables to the same value on a single line all with the same� Assign the same value to multiple variables You can assign the same value to multiple variables by using = consecutively. This is useful, for example, when initializing multiple variables to the same value. a = b = 100 print(a) # 100 print(b) # 100

If you are using python 3 then you can make an enum of months Enum Documentation

from enum import Enum, auto
class Months(Enum):
    JAN = auto()
    FEB = auto()
    ...

auto() will automatically increment the value for each month so you dont need to worry about bugs that might be caused my incorrect numbering

So you can access them like

Months.JAN

or

Months(1) # returns <Months.JAN: 1>

It is a good idea to group constants into Enums as they become the single source of truth for the entire program. Using strings for this purpose can lead to many bugs due to typos.

Storing it in a dict or array is also not advisable as anyone can mutate them in run-time which can be very difficult to debug. Enum values are immutable so they cannot be reassigned.

Multiple assignment in Python: Assign multiple values or the same , You can assign values to multiple variables on one line. variables Assign the same value to multiple variables You can assign multiple If there is one variable on the left side, it is assigned as a tuple. For more information on * and how to assign elements of a tuple and list to multiple variables, see the� Well, all of the above queries return the same results. They all displays result as 1 and one. However, you can clearly see why method 3 is my preferred way. It is short and efficient. Here are blog posts earlier, I wrote which discusses the same subjects: SQL SERVER – DECLARE Multiple Variables in One Statement

You can also use dictionary like:

names_to_int = {'January': 1, 'February': 2, ...}

and then just do:

month = names_to_int[month]

Python Assign Values to Multiple Variables, Example. x, y, z = "Orange", "Banana", "Cherry" print(x) print(y) print(z). Try it Yourself �. And you can assign the same value to multiple variables in one line:� In my case, I can't rename all variables to have the same name (that would make things more easy), so is there any way to assign the same value to all variables in a much more compact way? php variables variable-assignment

You can make use of Dictionaries here:

d={"JANUARY":1,"FEBRUARY":2,"MARCH":3,"APRIL":4,"MAY":5,"JUNE":6,"JULY":7,"AUGUST":8,"SEPTEMBER":9,"OCTOBER":10,"NOVEMBER":11,"DECEMBER":12}

print(d[input()])

This gives you direct answer

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The code with .index(month) (see the other answer) requires O(n) time every time you want to get an index of a month (maybe O(log n) with some good string indexing under the hood, not sure if that is the case for python). I would suggest using a dictionary of months (then it is O(1) on average, i.e. it runs faster):

months = ['JANUARY', 'FEBRUARY' ...]
months_map = {month: i for i,month in enumerate(months)}
a_month_idx = months['a month name']

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Variables, define the variable and assign the value alert ( message ) ; // Hello! We can also declare multiple variables in one line: let user = 'John' , age = 25 , message The var keyword is almost the same as let . It also declares a variable, but in a slightly different, “old-school” way. There are subtle differences� When I have a dataset with many variables and want to create a new variable for each of them, then the first thing comes into my mind is to write a new line of code for each transformation (e.g., new variable). It is time-consuming when I have more than 10 variables.

Variables and operators | Think Java, You can declare a variable and then assign a value later, as in the previous To output multiple values on the same line, it's common to use several print For example, we know how to multiply numbers and we know how to display values. Assigning values to variables. After you declare a variable, you can assign a value to a variable. Assigning a value to a variable means storing a value to a variable. To assign a value, use the equal sign: var age; age = 55; The first line declares a variable called age. The second line stores the number 55 to our variable age.

Comments
  • Looks like you can use a dictionary.. or use calendar module
  • You can enclose the line with try: / except ValueError: to manage errors
  • All the comments are great, but this seems to be the best minimalist solution, thanks!