Generating random number in within an inputted range

Question

I am trying to write a piece of code that prompts the user to input a number, and the loop will only stop if the input number matches the random generated number. The random number should be in within the range the user input.

import random
randNumber = random.randint(min, max)

min = int(input("Choose a minimum number range: "))
max = int(input("Choose a maximum number range: "))

while True:

  if guess > randNumber:
    print("Too big, try again")

  if guess < randNumber:
    print("Too small, try again")

  if guess == randNumber:
    print("BINGO!")
    break

The system keeps telling me "tuple object not callable" for my 2nd line.

You have randNumber = random.randint(min, max) before you even define min and max; why would you expect that to work? (even ignoring the fact that those are reserved words) — Random Davis
– Random Davis, Commented Nov 16, 2020 at 17:48

honno · Accepted Answer · 2020-11-17 08:57:02Z

1

Two problems. min and max are reserved top-level functions in Python, so you're actually passing a function object at the top. (A common practice when you want to use reserved names is to add an underscore, e.g. min_ and max_.)

The other problem is randInt must come after you ask for user input (e.g. below a max_ = int(input(... line, as min_ and max_ are not defined.

edited Nov 17, 2020 at 8:57

answered Nov 16, 2020 at 17:39

honno

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5 Comments

colidyre Over a year ago

Only a minor information: There is no need to add underscores to min and max if the randInt comes after the inputs. Because then, the built-in functions will simply be overwritten. But yes, it is still a good idea to rename them, of course!

Alice Gong Over a year ago

Thank you so much for the quick response, now I understand a lot clearer than before. However, I renamed them into min_ and max_, and moved the two lines (min_ = int(...) to before import, it still shows the same error to the same line. Does it have to do with me using Google Console on Chrome to run the code?

honno Over a year ago

@AliceGong The line also has it's inputs changed? e.g. randint(min, max) to randint(min_, max_)? If so, I could only guess Google Console is caching previous inputs and that's causing you problems? Feel free to paste the new code here.

Alice Gong Over a year ago

@Honno here is the revised code:

min_ = int(input("Choose a minimum number range: ")) max_ = int(input("Choose a maximum number range: "))  import random randNumber = random.randint(min_, max_)

Thank you so much for your kind help

honno Over a year ago

@AliceGong That looks good to me! I tested it locally, it works. I'm not familiar with Google Console, so I recommend search around on how to "refresh" your instance, or try running this code on another Python interpreter program (e.g. IDLE that comes packaged with Python downloads).

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