Python Data Analysis Quiz

What is the purpose of the NumPy library in Python?

• Data processing and modelling

• Data Mining

• Data Visualization

• Web Development

Which data type in Python is used for decimal point real values?

• long

• int

• complex

• float

What is the syntax for creating a Python list?

• < >

• [ ]

• ( )

• { }

Which data structure in Python is an unordered collection of distinct objects?

• Dictionary

• List

• Set

• Tuple

What is the difference between a mutable and an immutable object in Python?

• Mutable objects are ordered, immutable objects are unordered

• Mutable objects cannot be changed, immutable objects can

• Mutable objects can be changed, immutable objects cannot

• Mutable objects can have duplicate values, immutable objects cannot

What is the purpose of the lambda keyword in Python?

• Creating global variables

• Creating multiple values

• Creating custom docstrings

• Creating one-line functions

What does the IN operator do in Python?

• Checks if a list is full

• Checks if a list is empty

• Checks if a given value is not in a list

• Checks if a given value is in a list

What is the difference between a method and a function in Python?

• Method is used for iteration, function is used for calculation

• Method is globally defined, function is called from the object

• Method is called from the object, function is globally defined

• Method is used for calculation, function is used for iteration

What is the difference between a package and a library in Python?

• Package is a collection of modules, library is a collection of packages

• Package contains an __init__.py file, library does not

• Package is a file, library is a collection of modules

• Package is a collection of libraries, library is a collection of packages