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Python Challenge 2

Sayed Ali

Created on July 10, 2023

Python challenge for data analytics

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Transcript

PYTHON Challenge

START

GOODLUCK!

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What is the datatype of the variable in the following line? X= 12

Integer

Float

String

Boolean

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How is a Set indicated in Python?

curly braces { }

square brackets [ ]

parentheses ( )

curly braces with { : }

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What is the output of the following code?

dict = {"ID":["name","John Doe"], "age": 30, "country": "USA"}

print(dict["ID"])

'name':'John Doe'

['name', 'John Doe']

'name'

'John Doe'

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Which method is used to convert a string column into a datetime column in pandas?

df.parse_datetime()

df.convert_to_datetime()

df.string_to_datetime()

df.to_datetime()

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How can you sort a DataFrame by values in a specific column in descending order?

df.sort_values(['column_n\ ame'], ascending=False)

df.sort_value(['column_n\ ame'], ascending=False)

df.sort_by(column='column_n\ame', ascending=False)

df.sort(column='column_nam\e', ascending=False)

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How can you replace Null with a specific value in a pandas DataFrame?

df.fillna()

df.replace_null()

df.rep_nul()

df.fill_na()

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How can you drop a column 'B' in pandas DataFrame 'df'?

df.drop('B', axis=0)

df.drop('B', axis=1)

del(df['B'])

A & C are correct

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Which of the following methods used to draw a Histogram using matplotlib?

df['Column'].plot\(kind='histogram')

df['Column'].plot\(kind='hist')

df['Column'].plot\(type='hist')

df['Column'].plot\(kind='histogram')

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How can you handle missing values by filling them with the mean value of the column 'B' in pandas?

df.fillna(['B']'mean')

df.fill_with_mean('B')

df.mean_fillna('B')

df.fillna(df['B'].mean())

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What does the df.dropna(axis=1) method do in pandas?

Drops columns with missing values

Drops rows with missing values

10

Drops rows and columns with missing values

None Of The Above

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WELL DONE!

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YOU WIN!

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BACK