Ernst & Young Python Developer Interview Questions, Process, and Tips

Decorators in Python are a way to modify the behavior of a function or class without changing its source code.

• Decorators are defined using the @ symbol followed by the decorator name.

• They can be used to add functionality to existing functions or classes.

• Decorators can be used for logging, timing, authentication, etc.

• They can also be stacked to apply multiple decorators to a single function or class.

• Example: @staticmeth...read more

To convert a .txt file into a .csv file in Python, you can use the csv module.

• Import the csv module

• Open the .txt file in read mode

• Open a new .csv file in write mode

• Use csv.reader to read the .txt file line by line

• Use csv.writer to write each line to the .csv file

Lists and tuples are both sequence data types in Python, but they have some key differences.

• Lists are mutable, meaning their elements can be changed, added, or removed, while tuples are immutable.

• Lists are defined using square brackets [], while tuples are defined using parentheses ().

• Lists are typically used for collections of similar items, while tuples are used for heterogeneous data.

• Lists have more built-in methods...read more