[Tutor] Python Question

[Alan Gauld]

On 05/07/2021 00:55, riskxexbiz--- via Tutor wrote:

> Here is the python code I am using but it is not working correctly:

Please always post in plain text otherwise the mail system
mangles the code as below...

>         # Ensure investor type is either conservative, moderate or aggressive        if investor != ["conservative" or "moderate" or "aggressive"]:            error_statement = "Investor Type Must Be Either Conservative, Moderate or Aggressive!"            return render_template("information.html", error_statement=error_statement, investor=investor)

Picking out one line:

> if investor != ["conservative" or "moderate" or "aggressive"]:

This does not do what you want. Python evaluates the bit
inside the list as [(True or True or True)] so your code
is read by Python as:

if investor != [True]

Instead you probably want to use the 'in' operator:

if investor not in ["conservative", "moderate", "aggressive"]:

However, investor must match the test strings exactly so
it's usually a good idea to make the case consistent
and remove any extra whitespace:

if investor.strip().lower() not in ["conservative",
                                    "moderate",
                                    "aggressive"]:

(wrapping is just to fit in the email message!)

-- 
Alan G
Author of the Learn to Program web site
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