Question

Write the python programs for the following questions
To evaluate the following expression (accept value of x and y from
user)
x3y2+3x’y+4xy
​

Answer 1

Answer:

The aim of this chapter of our Python tutorial is to present a detailed led and descriptive introduction into regular expressions. This introduction will explain the theoretical aspects of regular expressions and will show you how to use them in Python scripts. 

The term "regular expression", sometimes also called regex or regexp, is originated in theoretical computer science. In theoretical computer science they are used to define a language family with certain characteristics, the so-called regular languages. A finite state machine (FSM), which accept language defined by a regular expression, exists for every regular expression. We have an implementation 

Answer 2

Explanation:

evaluate the following expression (accept value of x and y from

user)

x3y2+3x’y+4xy