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Code in Python.
- Assume the following list exists:
numbers = [1, 2, 3, 4, 5]
Write a statement that uses a dictionary comprehension to create a dictionary in which each element contains a number from the numbers list as its key, and the product of that number times 10 as its value. In other words, the dictionary should contain the following elements:
{1: 10, 2: 20, 3: 30, 4: 40, 5: 50}
Step by step
Solved in 5 steps with 4 images
- Exercise: Least Dictionary Value Description In this exercise you will find the value in a dictionary with the least value. Least means that the value is less than or equal to all other values in the dictionary. Remember that the 2 Assistant Object inspectorPYTHON PROGRAMMING Given:lunch_order = {'food': 'pizza', 'price':9.99 } 1) Update the value of 'price' from 9.99 to 6.99 in the dictionary lunch_order.2) Access the values in the dictionary lunch_order to print the following.Make sure to precisely match the output format below. Example OutputToday's lunch special: Pizza $6.99.Exercise: empty_dictionary Description In this exercise, your function will receive no parameters. It will create an empty dictionary and return it. Function Name empty_dictionary Parameters None Return Value An empty dictionary. Examples empty_dictionary() > 0)
- Assume the following list exists: names = ['Chris', 'Katie', 'Joanne', 'Kurt'] Write a statement that uses a dictionary comprehension to create a dictionary named X in which each element contains the length of a name from the list as the key, and the corresponding name's initial character as its value.Program - Python Problem below the code This is my code for a dictionary of student's test scores. def main():#Create a dictionary with name as key#Marks as the list of valuesstudent_dictionary=\{'Brian': [94, 89, 92],'Rachel': [100,90,65],'Jon': [67.5,95,100],'Brit': [0,78,80] ,'Gret': [65,100,78],'Andrea': [55.5,67,79]}#Loop that print name and list of marksfor key, values in student_dictionary.items():print('Name: ', key, " , Marks:", values)#Call main functionif __name__ == '__main__':main() Problem: print the dictionary data using a loop that starts with for key inDictionaries: Given the following dictionary definitions: Foo = {1:’B’, 2:’D’, 3:’C’, 4:’A’} Bar = {A:’3’,’B’:1,’C’:2,’D’:4} Give the resulting value for each of the following expressions: Foo[Bar[‘A’]] Foo[Bar[‘B’]] Bar[Foo[1]] Bar[Foo[2]] Use a for loop to display the key/value pairs in the above dictionary, one pair to a line.
- dict = { 'a': [1,2,3,4] 'b': [3,6,7,8] 'c': [9,1,9,1]{ Iterate over the above dictionary 1- display letter and highest value2- display letter and mean of values in corresponding list3- display the letter that the highest value among all lists Example output:highest value in each letters lista : 4b : 8c : 9 Mean value for each letter:a : 2.5b : 6c : 5 The highest valuec : 9Python Programming Using the following dictionary, which maps country names to Internet top-level domains (TLDs): tlds = {'Canada' : 'ca', 'United States' : 'us', 'Mexico' : 'mx'} Perform the following tasks and display the results: Check whether the dictionary contains the key 'Canada' Check whether the dictionary contains the key 'France' Iterate through the key-value pairs and display them in two-column format Add the key-value pair 'Sweden' and 'sw' (which is incorrect) Update the value for the key 'Sweden' to 'se' Use a dictionary comprehension to reverse the keys and values With the results, use a dictionary comprehension to convert the country names to all uppercase lettersData structures dict_from_string(dict_str:str)->dict This function will be given a single parameter, a string representing a dictionary. Your job is to convert the string into an actual dictionary and return the dictionary. Make sure all key-value pairs in the string exist in the newly created dictionary. The string will contain only numbers or single letters as key values pairs. Make sure all letters are kept as strings and all numbers are converted to integers in the newly created dictionary. Example: String Input: '{9: 'V', 'G': 0, 'M': 9, 'u': 3, 2: 'o', 8: 'u', 'q': 9, 'D': 1}' Expected: {9: 'V', 'G': 0, 'M': 9, 'u': 3, 2: 'o', 8: 'u', 'q': 9, 'D': 1} String Input: '{10: 'D', 1: 'Z', 5: 'a'}' Expected: {10: 'D', 1: 'Z', 5: 'a'} String Input: '{'M': 2, 'V': 0, 3: 'x', 6: 'J', 5: 'J', 7: 'T', 8: 'P', 4: 'q', 1: 'h'}' Expected: {'M': 2, 'V': 0, 3: 'x', 6: 'J', 5: 'J', 7: 'T', 8: 'P', 4: 'q', 1: 'h'} String Input: '{3: 'D', 10: 'T', 7: 'm', 'u': 9, 't': 5, 6: 'Z', 'H': 10, 'B':…
- Code the following directions in python: 1.Write a statement that creates a dictionary containing the following key-value pairs: 'a' : 1 'b' : 2 'c' : 3 2.Write a statement that creates an empty dictionary. 3.Assume the variable dct references a dictionary. Write an if statement that determines whether the key 'James' exists in the dictionary. If so, display the value that is associated with that key. If the key is not in the dictionary, display a message indicating so.1. Course informationWrite a program that creates a dictionary containing course numbers and the room numbers ofthe rooms where the courses meet. The dictionary should have the following key-value pairs:Course Number (key) Room Number (value)CS101 3004CS102 4501CS103 6755NT110 1244CM241 1411The program should also create a dictionary containing course numbers and the names of theinstructors that teach each course. The dictionary should have the following key-value pairs:Course Number (key) Instructor (value)CS101 HaynesCS102 AlvaradoCS103 RichNT110 BurkeCM241 LeeThe program should also create a dictionary containing course numbers and the meeting timesof each course. The dictionary should have the following key-value pairs:Course Number (key) Meeting Time (value)CS101 8:00 a.m.CS102 9:00 a.m.CS103 10:00 a.m.NT110 11:00 a.m.CM241 1:00 p.m.The program should let the user enter a course number, then it should display the course’s roomnumber, instructor, and meeting time.Python Dictionary Help: Part a) Read a text file and then convert the elements into a dictionary. For example, you have the following in your names.txt: John, Likeable, Charming, Studious Mary, Beautiful, Relaxed, Studious, Strong Convert it to dict = {0: {'Name':'John', 'Attributes':'Likeable, Charming, Studious'}, 1: {'Name':'Mary', 'Attributes':'Beautiful, Relaxed, Studious, Strong'},} Part b) Convert the following list: [{'Name': 'John', 'Attributes': ['rude, 'bad', 'lazy']}, {'Name': 'Mary', 'Attributes': ['loud', 'disruptive']}] Into a dictionary like the one above.
