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mariarad [96]
3 years ago
8

Given N lines of input, print the 3rd character from each line as a new line of output. It is guaranteed that each of the n line

s of input will have a 3rd character.
Input Format
A text file containing N lines of ASCII C characters.
Constraints 1 Output Format
For each line of input, print its 3rd character on a new line for a total of N lines of output.
Sample Input
Hello
World
how are you
Sample Output
Explanation of what to submit Submit your code and output in a word document. Also, submit the actual script in a separate.txt file
-----------------------------------------------------------------------------------------------------------------------------------------
Task
You are given a file with four space separated columns containing the scores of students in three subjects. The first column contains a single character (A-2), the student identifier. The next three columns have three numbers each. The numbers are between 0 and 100, both inclusive. These numbers denote the scores of the students in English, Mathematics, and Science, respectively.
Your task is to identify those lines that do not contain all three scores for students.
Input Format
There will be no more than 10 rows of data. Each line will be in the following format: [Identifier][English Score][Math Score][Science Score]
Output Format
For each student, if one or more of the three scores is missing, display:
Not all scores are available for [Identifier]
Sample Input
A 25 27 50
B 35 75
C 75 78
D 99 88 76
Sample Output
Not all scores are available for B
Not all scores are available for C
Explanation
Only scores have been provided for student B and student C.
Computers and Technology
1 answer:
Juliette [100K]3 years ago
4 0

Answer:

lines = input("enter the lines of strings: ")

line_list = lines.splitlines()

with open("third_characters.txt", "w+") as file:

   for line in line_list:

       file.write(line[2])

       file.write("\n")

Explanation:

The python module gets the input of string values from the user and splits it into a list of strings. The third character on each string item is retrieved and saved in a document file named 'third_characters.txt' with each character on a single line.

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Write a program that teaches arithmetic to a young child. The program tests addition and subtraction. In level 1 it tests only a
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Answer:

import random

class Arithmetics(object):

   trial = 2

   score = 0

   is_end = "Y"

   

   def start(self):

       while self. is_end == "Y":

           self. level1()

           self. level2()

           self. level3()

           self. is_end = input("Do you want to play again? Y/N: "). upper()

       quit()

   def level1(self):

       print("--------------------Level 1--------------------\n\n Addition:")

       for _ in iter(list, 0):

           num1 = random.randint(1,5)

           num2 = random.randint(1,5)

           if self. score == 5:

               print("Congrat! advance to next level\n")

               self. init_()

               break

           print(f"{num1} + {num2}")

           result = int(input("Your answer: "))

           if result == num1 + num2:

               self. increase_score()

           elif self. trial == 0:

               print("Sorry dear, you failed to pass the text.")

               self. end_game()

           else:

               self. trial_reduce()

   def level2(self):

       print("--------------------Level 2--------------------\n\n Addition again:")

       for _ in iter(list, 0):

           num1 = random. randint(1,9)

           num2 = random. randint(1,9)

           if self. score == 5:

               print("Congrat! advance to next level\n")

               self. init_()

               break

           print(f"{num1} + {num2}")

           result = int(input("Your answer: "))

           if result == num1 + num2:

               self. increase_score()

           elif self. trial == 0:

               print("Sorry dear, you failed to pass the text.")

               self. end_game()

           else:

               self. trial_reduce()

   def level3(self):

           print("--------------------Level 3--------------------\n\n Subtraction:")

           for _ in iter(list, 0):

               denum = random. randint(6,9)

               num = random. randint(1,5)

               if self. score == 5:

                   self. init_()

                   self. end_game()

                   break

               print(f"{denum} - {num}")

               result = int(input("Your answer: "))

               if result == denum - num:

                   self. increase_score()

               elif self. trial == 0:

                   print("Sorry dear, you failed to pass the text.")

                   self. end_game()

               else:

                   self. trial_reduce()

   #classmethod

   def trial_reduce(cls):

       cls. trial -= 1

   #classmethod

   def increase_score(cls):

       cls. score += 1

   #classmethod

   def init_(cls):

       cls. trial = 2

       cls. score = 0

   def end_game(self):

       print("Congrats kiddo! You are a math wiz.")

game = Arithmetics()

game. start()

Explanation:

The python class defines the arithmetics class with three-level mathematics for children defined as methods for the class. There are three class methods namely; 'trial_reduce', 'increase_score', and 'init_' with each of them decreasing the trial attribute, increasing the score attribute by one, and initializing the class attributes to its initial state.

The 'end_game' prints a message at the end of the program. Each level is in a loop and counts five times if the answers are correct.

7 0
3 years ago
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