[Tutor] Python Programming for the Absolute Beginner - Chap 7 Q: 2

[Alan Gauld]

On 18/03/2020 12:33, Adam Łuszcz wrote:

> def high_score():
> 
>     """Records a player's score"""
>     high_scores = []

Note that this creates a new empty list.

> 
>     #add a score // Do current stuff for adding a new score...
>     name = input("What is your name? ")
>     player_score = int(input("What is your score? "))
>     entry = (name, player_score)
>     high_scores.append(entry)
>     high_scores.sort(reverse=True)
>     high_scores = high_scores[:5]       # keep only top five
> 
>     # dump scores
>     f = open("pickles1.dat", "wb")
>     pickle.dump(high_scores, f)
>     f.close()

Despite the comments the above code only stores a single name....
It overwrites anything else that may have been in the file.

>     f = open("pickles1.dat", "rb")
>     high_scores = pickle.load(f)
>     print(high_scores)
>     f.close()

And this reads it back.

> When I execute this program in the main() program I get only the existing
> single name, player_score list combination stored in the pickles1.dat file.

What else did you expect to get?
Only one name is stored and therefore only one name is read.

-- 
Alan G
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