CODEWITHSUNDEEP
pythoninputdefault-value
ZZ0R0
ZZ0R0

Reputation: 31

How to have a default response in python input

I want to have a default response using python input function i would like it to behave like so

response = input("Enter your response :", default="default response")

that would prompt the user : Enter your response : default response where "default response" behave like if the user writted it so he can modify a text already written.

did'nt found anything about that in the docs but i guess it's possible

Upvotes: 1

Views: 1354

Answers (2)

Harsh Dobariya
Harsh Dobariya

Reputation: 124

Looks like there's no way to give the user a pre-typed default value. But what you can do is prompt the user for input with the default value specified. If the user continues without entering anything then the code will consider the default value.

It is worth noting though that it may not be obvious behavior for people less techie. You may want to consider adding some sort of explanation that pressing return fills in the default value.

For example,

age = input("Enter age or just press Return to accept the default of 18: ") or "18"

Upvotes: 4

Dorian Turba
Dorian Turba

Reputation: 3755

Use or operator

If the user just press enter, an empty string will be returned. The truthiness of an empty string is false, so the right operand will be evaluated and returned.

response = input('Enter your response ["default response"]:') or "default response"

For this behavior:

Enter your response : default response where "default response" behave like if the user writted it so he can modify a text already written.

No, it's not possible as far as I know.

About or returned value

or doesn't return a bool but the first True value or the right operand if both are False:

>>> 10 or 42
10
>>> '' or 42
42
>>> 0 or ''
''
>>> '' or 0
0

Upvotes: 0

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