A python script to define a dictionary of 10 elements where the key contains the name of the students and the corresponding value contains the marks

A python script to define a dictionary of 10 elements where the key contains the name of the students and the corresponding value contains the marks. Print the name of the students who achieved highest mark and who achieved lowest mark. After completing the task, print how many percentage of students achieved 80 or more and less than 40 marks.

Example:

Suppose the marks are like below:

81, 67, 56, 38, 20, 92, 75, 66, 30, 78.

Output:

Highest mark: MD Hasan(92)

Lowest Mark: MD Mehrab Hossain(20)

20% students achieved 80 or more

30% students are failed