Page 241 - AI Ver 3.0 Class 11
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B. Fill in the blanks.
1. Python comes with a large standard library that provides a wide range of and for
tasks such as file I/O, networking, web development, and more, reducing the need to write code from scratch.
2. allows you to enter Python commands directly into the command line shell and immediately see the
results.
3. Script mode involves writing Python code in a text file with a extension and then executing that file
using the Python interpreter.
4. in Python are fundamental elements of the language's syntax and are the smallest individual units
of a program.
5. A data type refers to an ordered collection of elements, where each element is indexed by a
non-negative integer.
6. The range() function is commonly used with to iterate over a specific range of numbers.
7. involves replacing missing values with a specific value.
8. In Pandas, attributes do not perform any computation or modification on the data; instead, they provide access to
or properties of the object.
9. Scikit-learn provides utilities for feature selection and dimensionality reduction, including methods like
, and feature importance ranking.
10. produces predictions based on the majority class of the ‘k’ nearest data points.
C. State whether these statements are true or false.
1. Python is a compiled language.
2. Python code is first divided into tokens during the lexical analysis phase of the interpretation process.
3. The values which the operators use to get the output are called identifiers.
4. Variables in Python do not have fixed locations.
5. == is an assignment operator.
6. The Boolean data type in Python represents one of three values: True or False or None.
7. Multiple assignment of variables is possible in Python.
8. Python libraries are designed to be reused in different projects that makes the development easier
by providing various ready-to-use solutions for particular tasks.
9. Series represents a two-dimensional array capable of holding various types of data in it.
10. NumPy provides support for arrays, matrices, and a variety of mathematical functions to operate on
these data structures efficiently.
SECTION B (Subjective Type Questions)
A. Short answer type questions.
1. Name the types of tokens in Python.
Ans.
Tokens
Keywords Identifiers Literals Operators Punctuators
Python Programming 239

