107. A data dictionary is a special file that contains a. the names of all fields in all files b. the data types of all fields in all files c. the widths of all fields in all files d. All of the above
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| 107. | A data dictionary is a special file that contains |
| a. | the names of all fields in all files |
| b. | the data types of all fields in all files |
| c. | the widths of all fields in all files |
| d. | All of the above |
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- Python Panda DataFrme Use this file: names.txt Write a Python script that reads this file into a dataframe. Find the max and min age. Using the loc indexing operator, extract rows 2 & 3 ## Screenshot of names.txt attachedPython How to read a file into a dictionary when key is on the first line of the text and value is on the second line of the text Example of the text file: Alabama (should be assign as key) Montgomery (should be assign as value) Alaska Juneau Arizona PhoenixPrint Person Information from file In this lab you are asked to complete the function : print_person_from_file(person_name, filename). This function should read in data from the file filename and print the information for person_name if it is found in the file. The file filename contains lines, in comma separated format (with a 'csv' extension) For each line, the items in each field are as follows: Field 1 3 4 Name Place of Birth Date of Birth Children For Children: • a person can have 0, 1 or multiple Children Multiple children are semi-colon separated If a person has no children the field contains 'NA' For example, consider the following lines froma .csv file, where Fletcher_Margaret has 3 children, and Baker_Jill has 0 children (field 4 contains the string 'NA') Fletcher Margaret,Sydney,30-09-1921,Green Bob;Green Nancy;William Tom Baker_Jill, Melbourne,08-09-1973, NA Format for Printing If the person_name is found in the file, the format for printing the person information is as…
- def import_and_create_bank(filename): ''' This function is used to create a bank dictionary. The given argument is the filename to load. Every line in the file should be in the following format: key: value The key is a user's name and the value is an amount to update the user's bank account with. The value should be a number, however, it is possible that there is no value or that the value is an invalid number. What you will do: - Create an empty bank dictionary. - Read in the file. - Add keys and values to the dictionary from the contents of the file. - If the key doesn't exist in the dictionary, create a new key:value pair. - If the key does exist in the dictionary, increment its value with the amount. - You should also handle the following cases: -- When the value is missing or invalid. If so, ignore that line and don't update the dictionary. -- When the line is completely blank. Again, ignore that line and don't update the…Exercise: Check Monster Character Exists Description In this series of exercises, you will create functions to create, modify and examine dictionaries that represent characters in an animated film, and the cast members who voice the characters. The keys of the dictionary will be character names. The values in the dictionary will be voice actor names. For this exercise, you will create a function that checks if a character is already in the dictionary. Files monsterfunctions.py : set of functions to work with monster cast dictionaries. Function Name has_character Parameters monsters: a dictionary character: a string, the name of a character Action Checks if character is a key in monsters. Return Value True if character is a key in monsters, otherwise False. Examples monsters = create_monster_cast() monsters = add_cast_member(monsters, "Mike", "William Crystal") has_character(monsters, "Mike") -> True has_character(monsters, "Sully") -> False82. The ordered files with primary index are called a. linear spanned file b. indexed sequential files c. relative spanned file d. indexed spanned file
- Create a structure called applianceTvpe with the following members. Use the proper variable TYPES for the members: name; SUpplierlD: modelNo: cost; Create an array variable of type applianceType that can hold 50 components. Write the code segment to read from a file into the structure array. Declare an input file stream identifier for this purpose. Open the file and read until end of file. Keep a count of how many rows actually read. The data file contains the following data: RefrigeratorABC 80 4657 521.62 ToasterOven 100 3245 245.96 MicroWave 95 7878 345.67 Using a looping construct, output to the console (cout) the data read into the structure array. Make sure you do not go outside the bounds of the array or beyond the number of rows actually read. You do not need to write any #include statements, using statements and you do not have to write code to open the file. Assume the file is open. You do need to declare variables needed for the program segment.QUESTION 13 Code a JSON file that contains the following: Three key-value pairings where the keys are id, name, and grade The value of id is to be 12345 The value of name is to be an object with its own two key-value pairings: firstName of John and lastName of Lennon The value of grade is to be 89There are four fundamental operations for accessing data structures. Many data structures accomplish an update by combining which of the following operations? a. Initialize and, Construct b. Remove and Set O c. Setup and TearDown d. Delete and Insert
- 74. The file which consists of the ordering fields for records is called a. sequential file b. ordered file c. spanned file d. both a and bdef read_cars(full_path_file_name):"""Read the data from csv file given full path file name (including directory)Return a list of Car instances:param full_path_name: csv file:return: list of instances of the Car class""" file: 2017,Subaru,WRX,268,32722000,Honda,Civic Si,160,26122020,Lamborghini,Aventador S,729,34722017,Subaru,WRX,268,32722000,Honda,Civic Si,160,26122020,Lamborghini,Aventador S,729,34722017,Subaru,WRX,268,32722000,Honda,Civic Si,160,26122020,Lamborghini,Aventador S,729,34722020,Lamborghini,Huracan,729,3472Please help me writr down the right code for this file below.
