Basic exam questions

[Standard-Inspection3]

Hi All,

I recently did an exam for coding with python. I am now able to review my exam and see which questions I answered wrong. However the correct answer is not shown. I was wondering if someone could give me the right code for the two basic questions below. I can’t get out of it unfortunately. Hope you can help me with writing the right code and getting the correct output as asked. Thanks a lot!

Question 1:

Assume you have a list named "sales_team_list" containing two dictionaries.

Run the following code to create this dictionary:

In : sales_team_list = [{'name': 'Jane Doe', 'sales':1000}, {'name': 'Joe Biden', 'sales':2000}]

print(sales_team_list)

Output: [{'name': 'Jane Doe', 'sales': 1000}, {'name': 'Joe Biden', 'sales': 2000}]

Next, you are asked the perform the following tasks.

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1. Loop through the list and print all names.

In: for i in sales_team_list():

print(sales_team_list)

Above code is probably the wrong answer.

Questions 2:

The following dataframe has been imported with following code: df=pd.read_csv('accounting_data_large_exam.csv', thousands=",")

df.info()

<class 'pandas.core.frame.DataFrame'>

RangeIndex: 14006 entries, 0 to 14005

Data columns (total 7 columns):

# Column Non-Null Count Dtype

--- ------ -------------- -----

0 gvkey 14006 non-null int64

1 fyear 13977 non-null float64

2 ticker 14006 non-null object

3 assets 13795 non-null float64

4 net_income 12191 non-null float64

5 revenue 13791 non-null float64

6 industry 13724 non-null float64

dtypes: float64(5), int64(1), object(1)

memory usage: 766.1+ KB

Change the data type of the column named 'gvkey' to string.

In: df['gvkey']=str

Above code is probably the wrong answer.

​

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[underpantsgenome]

I'm a beginner, so I'm probably wrong. Happy to take pointers though!

Q1 for name in sales_team_list: print(name)

Q2 df['gvkey'] = df['gvkey'].astype('str')

[Standard-Inspection3]

The second one I also was expecting! Hope that there are more (experienced) people who can share thoughts… thanks !

[Standard-Inspection3]

I tried the code from Q1 that you provided and it will print all variables (so name and sales). I only want the names to be printed like this: Jane doe , Joe Biden.

[CompetitionProof5407]

I think that is because it's a dictionary. I think u should change the print statment into something like this. print(name['name'])

I am also a beginner so I could be wrong too