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Module 3: The Power of Python Flashcards | StudBud

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Module 3: The Power of Python

5 terms·StudBud Administration·27 plays

Test your knowledge on Python programming concepts and syntax

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Questions 5

Answers

1
You are working with two datasets:
It sums up the total spending for each customer
It removes customers with no spending records
It shows the first customer in the dataset
It sorts customers by spending in descending order
2
You are preparing a café’s sales data. What does the code below do?
It finds the cheapest item in the café menu
It multiplies all prices by 10
It deletes the Price column and replaces it with discounted values
It creates a new column showing the price after giving a 10% discount
3
You are preparing customer data for a restaurant loyalty program. What does the code below do?
It replaces all prices with 0 and drops the Weather column
It sorts the dataset by price, weather, and date
Standardise weather values, formats visit dates, and fixes invalid prices
It deletes rows with missing weather, price, and dates
4
Why would be the right code choice ?
df.read_csv() and df.tail()
df.head() and df.shape
df.index and df.columns
df.dtypes and df.describe()
5
What problem are you addressing, and what strategy are you using?
Exporting your cleaned dataset to a CSV file.
Replacing missing price values with the average using imputation.
Identifying missing prices using the info()
Removing duplicate prices using the drop strategy.