Use String as Variable Name Python

Question

I am trying to make a database of baseball stats and lineups. Is there a way to loop through a list of teams and use a string as an variable name?

For example: Extract team name

team_name = 'BOS'

Use BOS as variable name for object and append to list of objects

BOS = team_data()
teams.append(BOS)

Then when I index some stats, I can do the following to retrieve the lineup:

teams.BOS.lineup

I know in Matlab you can do the following and I was wondering if there is an equivalent in Python:

teams.(team_name).lineup

Currently I have it assigning the data to the same variable name each loop and appending to the list.

teams[0].team_name = 'BOS'
teams[1].team_name = 'NYY'

My only other thought is to have a switch case for team_name to assign to the team variable name.

The equivalent of your matlab example is getattr(teams, team_name).lineup . You can also setattr(teams, team_name, team_data()) — Gribouillis
– Gribouillis, Commented Jul 16, 2017 at 17:10

JBen · Accepted Answer · 2017-07-16 15:37:23Z

4

Use dictionary:

teams = {}

teams['BOS'] = team_data()   
teams['NYY'] = team_data() 

for key in teams:
    print(teams[key].team_name) # removed the quotes around "key"

edited Jul 16, 2017 at 15:37

JBen

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answered Jul 16, 2017 at 14:58

Michal K

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2 Comments

mtourtelot Over a year ago

Do the team name strings have to be preset, or can it be done when I get the string of the team name?

Michal K Over a year ago

They don't have to be preset. You can create keys dynamically.

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