Python Programming for Biomedical Engineers — Summer 2023

Define a dictionary. What are the advantages of using dictionary over lists.

Write short notes on the following methods. a. keys() c. get(key) b. values() d. clear()

Differentiate between the following: a. pop() and remove() methods of list. b. Del statement and pop() method of list. c. append() and insert() methods of list.

Identify the primary differences between a list and a tuple?

Explain nested dictionaries with an example.

Make a list of the first eight letters of the alphabet, then using the slice operation do the following operations: a. Print the first three letters of the alphabet. b. Print any three letters from the middle. c. Print the letters from any particular index to the end of the list.

Write a Python program to input information about a few employees as given below: a. Name b. Employee Id c. Salary The program should output the employee ID and salary of a specified employee, given his name.

Write the output of the below given Python program: >>> fact = "In 2012 Sachin Tendulkar became the first cricketer to score 100 centuries (100 runs in a single innings) in international play." >>> print(fact.isalpha()) >>> print(fact.title()) >>> print(fact.lower())

Briefly explain the slice operation of tuples with an example.

Write a program to take an input Nand print Fibonacci sequence till Nterms. OR1

Explain zip() function with an example.

With the help of an example explain the concept of nested lists.

Take an input N=5 as an integer and write a program to display a triangle with N rows and Ncolumns of * character, as shown below.

Differentiate the syntax of if...else and if...elif...else with an example.

Write a program to get the file size of a plain text file.

List and explain any five NumPy functions

Write a program to remove newline characters from a file.

Explain the different file mode operations with examples.

Given a matrix Mwrite a function Transpose which accepts a matrix Mand return the transpose of M. Transpose of a matrix is a matrix in which each row is changed to a column or vice versa. For example, if input M =2   the program shall give output N =  07 .

Explain NumPy integer indexing, array indexing, Boolean array indexing and slicing with examples.

Explain the use of range() function with an example.

Assuming the given table, write the python code for the following: Item Company Rupees US Dollors TV LG 12000 700 TV VIDEOCON 10000 650 TV LG 15000 800 AC SONY 14000 750

To create the data frame for the above table.

To add the new rows in the data frame.

To display the maximum price of LG TV.

To display the Sum of all products.

To display the median of the USD of Sony products.