The code snippet is an illustration of dictionary;
Dictionary are used to hold values in pairs i.e. data and key pairs
The program written in Python, where comments are used to explain each line is as follows:
#This gets the number of inputs
n = int(input("Number of inputs:"))
#This creates a dictionary
d = {}
#This iterates from 0 to n-1
for i in range(n):
#This gets the keys i.e. names
keys = input()
#This gets the values i.e. majors
values = input()
#This populates the dictionary
d[keys] = values
#This prints the dictionary
print(d)
Read more about Python programs at:
https://brainly.com/question/26497128