In Python, given the number of students, and then for each student given the number of languages they speak followed by the name of each language spoken, find and print the number of languages spoken by all the students, followed by a list the languages by name, then print the number of languages spoken by at least one student, followed by the list of the languages by name. Print the languages in alphabetical order

(example):

Suppose the input is as follows:

Number of students: 3

student 3

Russian

English

Japanese

Student 2

Russian

English

Student 1

English

Then the output should be something like this:

1 - the number of languages spoken by all the students

English

3 - the number of languages spoken by at least one student

English

Japanese

Russian