Please help as soon as possible. 2. Write a program that calculates the average in the defined dictionary. Save it as AvgDict.py.a) create a dictionary, grades with three keys and assign an integer value to each key.b) use a for loop to calculate the total grades in the dictionary.d) print the average to two decimal places.Output Example{'Exam 1': 85, 'Exam 2': 99, 'Exam 3': 100}Average = 94.67 1. Write a program that displays a rank in the defined dictionary. Save it as searchRank.py.a) create a dictionary, rank = {1:"Freshman", 2:"Sophmore", 3:"Junior", 4:"Senior" }b) request a user input for a number of years.c) print the value of the matching key in the dictionary.d) print the error message if input is invalid.Output Example 1:Enter the # of years in the school (1-4): 1Year 1= FreshmanOutput Example 2:Enter the # of years in the school (1-4): 11Invalid years.

#dictionary grades = {'Exam 1': 85,'Exam 2': 99,'Exam 3': 100} #for loop filtered_vals = [v for _, v…

2. Write a program that calculates the average in the defined dictionary. Save it as AvgDict.py. a) create a dictionary, grades with three keys and assign an integer value to each key. b) use a for loop to calculate the total grades in the dictionary. d) print the average to two decimal places. Output Example |{'Exam 1': 85, 'Exam 2': 99, 'Exam 3': 100} Average = 94.67

2. Write a program that calculates the average in the defined dictionary. Save it as AvgDict.py. a) create a dictionary, grades with three keys and assign an integer value to each key. b) use a for loop to calculate the total grades in the dictionary. d) print the average to two decimal places. Output Example |{'Exam 1': 85, 'Exam 2': 99, 'Exam 3': 100} Average = 94.67

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Please help as soon as possible.

2. Write a program that calculates the average in the defined dictionary. Save it as AvgDict.py.
a) create a dictionary, grades with three keys and assign an integer value to each key.
b) use a for loop to calculate the total grades in the dictionary.
d) print the average to two decimal places.
Output Example
{'Exam 1': 85, 'Exam 2': 99, 'Exam 3': 100}
Average = 94.67

1. Write a program that displays a rank in the defined dictionary. Save it as searchRank.py.
a) create a dictionary, rank = {1:"Freshman", 2:"Sophmore", 3:"Junior", 4:"Senior" }
b) request a user input for a number of years.
c) print the value of the matching key in the dictionary.
d) print the error message if input is invalid.
Output Example 1:
Enter the # of years in the school (1-4): 1
Year 1
= Freshman
Output Example 2:
Enter the # of years in the school (1-4): 11
Invalid years.

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