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Donate Us1.A DEVELOPING FLOWCHART FOR ELECTRICITY BILLING
def calculate_total_cost(units): if 0 <= units <= 100: total_cost = 0 elif units <= 200: total_cost = (units - 100) * 1.5 elif units <= 500: total_cost = (100 * 0) + (100 * 2) + ((units - 200) * 3) else: total_cost = (100 * 0) + (100 * 3.5) + (300 * 4.60) + ((units - 500) * 6.60) print(f"Total Cost: {total_cost}") units = int(input("Enter the number of units: ")) calculate_total_cost(units)
1. B RETAIL SHOP BILLING
def calculate_amount(n, fixed_price):
rate = (n * fixed_price) + n
if rate >= 500:
amount = rate + (0.02 * rate)
else:
amount = rate
print(f"Amount: {amount}")
n = int(input("Enter the number of products: "))
fixed_price = float(input("Enter the fixed price of each product: "))
calculate_amount(n, fixed_price)
1. C SINE SERIES
def calculate_series(x, terms):
n = 1
t = x
total_sum = x
while n <= terms:
t = (t * (-1) * x * x) / (2 * n * (2 * n + 1))
total_sum += t
n += 1
print(f"Sum: {total_sum}")
x = float(input("Enter the value of x: "))
terms = int(input("Enter the number of terms: "))
calculate_series(x, terms)
1. D WEIGHT OF MOTOR BIKE
def calculate_weight(): mass = float(input("Enter the mass of the motorbike (in kg): ")) weight = mass * 9.8 print(f"Weight of the motorbike: {weight} N") calculate_weight()
1. E WEIGHT OF STEEL BAR
def calculate_steel_bar_weight(): diameter = float(input("Enter the diameter of the steel bar (in mm): ")) length = float(input("Enter the length of the steel bar (in meters): ")) weight = (diameter * diameter * length) / 162 print(f"Weight of the steel bar: {weight} kg") calculate_steel_bar_weight()
1. F COMPUTE ELECTRICAL CURRENT IN THREE PHASE AC CIRCUIT
import math def calculate_power(): pf = float(input("Enter the power factor (pf): ")) V = float(input("Enter the voltage (V): ")) I = float(input("Enter the current (I): ")) power = math.sqrt(3) * pf * V * I print(f"Power: {power} W") calculate_power()
2. A EXCHANGE THE VALUE OF TWO VARIABLES
a = int(input("Enter first number: ")) b = int(input("Enter second number: ")) print("Before Swapping") print("a =", a) print("b =", b) # Swap the values of a and b a, b = b, a print("After Swapping") print("a =", a) print("b =", b)
2. B CIRCULATE THE VALUES OF N VARIABLES
def circulate(A, N): for i in range(1, N+1): B = A[i:] + A[:i] print("Circulation", i, "=", B) A = [91, 92, 93, 94, 95] N = int(input("Enter n: ")) circulate(A, N)
2. C DISTANCE BETWEEN TWO POINTS
import math x1 = int(input("Enter x1: ")) y1 = int(input("Enter y1: ")) x2 = int(input("Enter x2: ")) y2 = int(input("Enter y2: ")) distance = ((x1 - x2)**2 + (y1 - y2)**2)**0.5 print("Distance =", distance)
3. A TO DISPLAY ODD SERIES
n = int(input("Enter the value of n: ")) for i in range(1, n+1, 2): print(i)
3. B NUMBER PATTERN
N = 5 for i in range(1, N + 1): for k in range(N, i, -1): print(" ", end="") for j in range(1, i + 1): print(j, end="") for j in range(i - 1, 0, -1): print(j, end="") print("")
3. C PYRAMID PATTERN
n = int(input("Enter the number of rows: ")) for i in range(0, n): for j in range(0, n - i - 1): print(" ", end="") for j in range(0, 2 * i + 1): print("*", end="") print("")
4. A OPERATIONS OF LISTS
List_name = ['Brick', 'Cement', 'Wooden frame', 'gravel', 'tiles'] print('positive index- index 0:', List_name[0]) print('Negative indexing index -5:', List_name[-5]) print('items from index 2 to index 4:', List_name[2:5]) print("Before Append:", List_name) List_name.append('wires') print("After Append:", List_name) List_name1 = ['sand', 'glass'] List_name.extend(List_name1) print("After Extend:", List_name) List_name[2] = 'ironframe' print("changing the third item to ironframe:", List_name) del List_name[0:2] print('After deleting first two items:', List_name) List_name.remove('ironframe') print('After removing ironframe:', List_name) print("Total Elements in a list:", len(List_name))
4. B OPERATIONS OF TUPLE
Tuple_name = ('gear', 'break', 'power steering', 'AC', 'Tyre') print('positive index- index 0:', Tuple_name[0]) print('Negative indexing index -5:', Tuple_name[-5]) print('items from index 2 to index 4:', Tuple_name[2:5]) print("Before Append:", Tuple_name) Tuple_name1 = ('wires', 'wiper') print("After Append:", Tuple_name + Tuple_name1) Tuple_name1 = Tuple_name * 2 print('After repeating:', Tuple_name1) print("Total Elements in a tuple:", len(Tuple_name1))
5. A OPERATIONS OF SETS AND DICTIONARIES
language1 = {'C', 'C++', 'JAVA'} language2 = {'VB', 'PYTHON', 'ORACLE', 'JAVA'} print(language1) print(language2) language1.add('SQL') print(language1) language1.remove('SQL') print(language1) print(language1 | language2) print(language2.union(language1)) print(language1 & language2) print(language1.intersection(language2)) print(language1 - language2) print(language2.difference(language1)) print(language1 ^ language2)
5. B OPERATIONS OF SETS AND DICTIONARIES
components = {"Brake": 2, "Tyre": 4, "Steering": 1} print(components) x = components.copy() print(x) x = components.get("Tyre") print(x) x = components.items() print(x) components.update({"color": "White"}) print(components) x = components.pop("Brake") print(x) print(components) x = components.setdefault("Brake", "Tyre") print(x) print(components) x = components.values() print(x) y = 1 thisdict = dict.fromkeys(components, y) print(thisdict) x = components.keys() print(x) components.clear() print(components)
6. A FACTORIAL OF A NUMBER
def fact(n): if n == 0: return 1 else: x = n * fact(n - 1) return x n = int(input("Enter a value:")) y = fact(n) print(y)
6. B LARGEST NUMBER IN A LIST
def max(N): max_num = N[0] for i in N: if i > max_num: max_num = i return max_num N = [99, 76, 43, 56, 34] print("Maximum number =", max(N))
6. C FIND AREA OF CIRCLE
def RectangleArea(): l = int(input("Enter l:")) b = int(input("Enter b:")) A = l * b print("Area of rectangle", A) def SquareArea(): a = int(input("Enter a:")) A = a * a print("Area of square", A) choice = int(input("Enter a choice:")) if choice == 1: RectangleArea() elif choice == 2: SquareArea() else: print("No shape found")
7. A TO REVERSE A STRING
word = input("Enter a word:") rev_word = word[::-1] print(rev_word)
7. B PALINDROME OR NOT
word = input("Enter a word:") rev_word = word[::-1] if word == rev_word: print("It is a palindrome") else: print("It is not a palindrome")
7. C COUNT CHARACTERS IN STRING
word = input("Enter a word:") letter = input("Enter the character:") count = 0 for char in word: if char == letter: count += 1 print("The letter", letter, "appears", count, "times in the word")
7. D REPLACE A CHARACTER IN A STRING
word = ("Enter a word: ") old_char = ("Enter the character you want to replace: ") new_char = ("Enter the new character: ") new_str = ("") for char in word: if char == old_char: new_str += new_char else: new_str += char print(new_str)
8. A PANDAS
import pandas as pd a = [] b = [] d = int(input('Enter the number of employees:')) for i in range(0, d): y = int(input('Enter employee id:')) a.append(y) x = input('Enter name of employee: ') b.append(x) e = {'Employee_id': a, 'Employee_name': b} df1 = pd.DataFrame(e, columns=['Employee_id', 'Employee_name']) print(df1)
8. B NUMPY
import numpy as np a = np.array([[1, 2], [3, 4]]) b = np.array([[4, 3], [2, 1]]) print("Array sum:\n", a + b) print("Array multiplication:\n", a * b) print("Matrix multiplication:\n", a.dot(b)) print("Array division:\n", a / b)
8. C MATPLOTLIB
import matplotlib.pyplot as plt from numpy.random import normal gaussian_numbers = normal(size=1000) plt.hist(gaussian_numbers, bins=30) plt.title("Gaussian Histogram") plt.xlabel("Value") plt.ylabel("Frequency") plt.show()
8. D SCIPY
from scipy import special from scipy import linalg import numpy as np cb = special.cbrt([27, 64]) print(cb) a = special.exp10(3) print(a) b = special.exp2(3) print(b) c = special.sindg(90) print(c) d = special.cosdg(45) print(d) two_d_array = np.array([[4, 5], [3, 2]]) determinant = linalg.det(two_d_array) print("Determinant:", determinant) inverse = linalg.inv(two_d_array) print("Inverse:\n", inverse)
9. A COPY CHARACTERS FROM ONE FILE TO ANOTHER
print("Enter the name of Source file:") sFile = input() print("Enter the name of Target file:") tFile = input() fileHandle = open(sFile, "r") texts = fileHandle.readlines() fileHandle.close() fileHandle = open(tFile, "w") for s in texts: fileHandle.write(s) fileHandle.close() print("\nFile copied successfully!")
9. B WORD COUNT
from collections import Counter def word_count(fname): with open(fname, 'r') as f: return Counter(f.read().split()) fname = input('Enter the file name: ') num_words = 0with open(fname, 'r')as f: for line in f: words = line.split() num_words += len(words) print("Number of words:", num_words) print("Number of each word count in the file:\n", word_count(fname))
9. C LONGEST WORD
def longest_words(filename): with open(filename, 'r') as infile: words = infile.read().split() max_len = len(max(words, key=len)) return [word for word in words if len(word) == max_len] filename = input('Enter the name of file: ') print(longest_words(filename))
10. A DIVIDE BY ZERO ERROR
x = int(input("Enter the value of x = ")) y = int(input("Enter the value of y = ")) try: z = x / y print("Result =", z) except ZeroDivisionError: print("Divide by zero Error")
10. B VOTER'S AGE VALIDITY
def voter(): try: age = int(input("Enter your age: ")) if age >= 18: print("Eligible to vote") else: print("Not eligible to vote") except ValueError: print("Age must be a valid number") except IOError: print("Enter correct value") except: print("An error occurred") voter()
10. C STUDENT'S MARK RANGE VALIDATION
try: print("Enter marks obtained in 5 subjects:") S1 = int(input()) if S1 < 0 or S1 > 100: raise ValueError("The value is out of range") S2 = int(input()) if S2 < 0 or S2 > 100: raise ValueError("The value is out of range") S3 = int(input()) if S3 < 0 or S3 > 100: raise ValueError("The value is out of range") S4 = int(input()) if S4 < 0 or S4 > 100: raise ValueError("The value is out of range") S5 = int(input()) if S5 < 0 or S5 > 100: raise ValueError("The value is out of range") finally: print("This is always executed") tot = S1 + S2 + S3 + S4 + S5 avg = tot / 5 if avg >= 91 and avg <= 100: print("Your Grade is A") elif avg >= 81 and avg < 91: print("Your Grade is B") elif avg >= 71 and avg < 81: print("Your Grade is C") elif avg >= 61 and avg < 71: print("Your Grade is D") else: print("Your Grade is F")
11 STIMULATE ELLIPTICAL ORBIT USING PYGAME
import pygame import math import sys pygame.init() screen = pygame.display.set_mode((600, 300)) pygame.display.set_caption("Elliptical orbit") clock = pygame.time.Clock() xradius = 250 yradius = 100 while True: for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exit() screen.fill((0, 0, 0)) pygame.draw.circle(screen, (255, 69, 0), [300, 150], 40) pygame.draw.ellipse(screen, (255, 255, 255), [50, 50, 500, 200], 1) for degree in range(0, 360, 10): x1 = int(math.cos(degree * 2 * math.pi / 360) * xradius) + 300 y1 = int(math.sin(degree * 2 * math.pi / 360) * yradius) + 150 pygame.draw.circle(screen, (0, 255, 0), [x1, y1], 20) pygame.display.flip() for degree in range(0, 360, 1): x1 = int(math.cos(degree * 2 * math.pi / 360) * xradius) + 300 y1 = int(math.sin(degree * 2 * math.pi / 360) * yradius) + 150 screen.fill((0, 0, 0)) pygame.draw.circle(screen, (255, 69, 0), [300, 150], 40) pygame.draw.ellipse(screen, (255, 255, 255), [50, 50, 500, 200], 1) pygame.draw.circle(screen, (0, 255, 0), [x1, y1], 20) pygame.display.flip() clock.tick(30)
12 BOUNCING BALL
import sys, pygame pygame.init() size = width, height = 700, 250 speed = [1, 1] background = 255, 255, 255 screen = pygame.display.set_mode(size) pygame.display.set_caption("Bouncing ball") ball = pygame.image.load("ball.jpg") ballrect = ball.get_rect() while True: pygame.time.delay(2) for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exit() ballrect = ballrect.move(speed) if ballrect.left < 0 or ballrect.right > width: speed[0] = -speed[0] if ballrect.top < 0 or ballrect.bottom > height: speed[1] = -speed[1] screen.fill(background) screen.blit(ball, ballrect) pygame.display.flip()
