Chapter1 Assignments

homeworks/10_functions/find_factors.py

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+def factors(num):
+    result = []
+    if num < 1:
+        return result
+    else:
+        for i in range(1, num+1):
+            # print (i)
+            # print(num%i)
+            if (num%i == 0):
+                # print(num/i)
+                result.append(i)
+    return result
+
+num = int(input("enter the num:"))
+print (factors(num))

homeworks/10_functions/star_rectangle.py

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+"""
+To create a Rectangle like the below:
+
+*******
+*     *
+*     *
+*     *
+*     *
+*******
+
+"""
+
+def star_rectangle(width, length):
+    for i in range(0, length):
+        if i == 0 or i == length -1:
+            print("*" * width)
+        else:
+            print("*", ' ' * (width - 4), "*")
+
+
+
+star_rectangle(7, 6)

homeworks/10_functions/sum_of_digits.py

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+def sum_digit(num):
+    result = 0
+    for i in num:
+        if i.isdigit():
+            result += int(i)
+    return result
+
+num = input("enter a number:")
+print(sum_digit(num))

homeworks/11_exceptions/safe_division.py

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+def safe_divide(num, den):
+    try:
+        print(f"The result is {num / den}")
+
+    except ZeroDivisionError:
+        print("ERROR: Cannot be divided by zero")
+    finally:
+        print("Division is done")
+
+
+num = int(input("Enter the numerator:"))
+den = int(input("Enter the denominator:"))
+safe_divide(num, den)

homeworks/11_exceptions/voting.py

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+def check_voter_age(age):
+    if age < 18:
+        raise ValueError("Not eligible to vote")
+    print("Eligible to vote")
+try:
+    age = int(input("Enter the age:"))
+    check_voter_age(age)
+except ValueError as e:
+    print ("Error:", e)

homeworks/12_modules/cli_task_manager.py

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+import argparse
+
+def list_TASKS(TASKS):
+    if len(TASKS) != 0:
+        for item in TASKS:
+            print (item)
+    else:
+        print("No Tasks Available")
+
+def update_TASKS (operation):
+    if operation == "add":
+        task = input("Enter the task to add:")
+        TASKS.append(task)
+        print("Task Updated")
+    elif operation == "delete":
+        pass
+
+TASKS = []
+parser = argparse.ArgumentParser()
+# parser.add_argument("add", help = "Add new task")
+# parser.add_argument("delete", help = "Delete existing task")
+parser.add_argument("--operation", help = "Add or Remove a task from manager", choices=["add", "delete"])
+parser.add_argument("--list", help = "List all tasks", action="store_true")
+args = parser.parse_args()
+
+if args.operation == "add":
+    update_TASKS("add")
+elif args.operation == "delete":
+    update_TASKS("delete")
+
+if args.list:
+    list_TASKS(TASKS)
+
+
+

homeworks/13_file_handling/file_content_reverser.py

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+def reverser():
+    try:
+        lines = []
+        with open ("test.txt", "r") as f:
+            lines = f.readlines()
+            # print (lines)
+            f.close()
+        with open ("test.txt","w") as f:
+            for line in lines[::-1]:
+                f.writelines(line.rstrip("\n") + "\n")
+                # f.write()
+            print("File reversed")
+    except FileNotFoundError:
+        print("Error: File Not Found")
+
+reverser()

homeworks/13_file_handling/safe_file_reader.py

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+def safe_file_reader():
+    try:
+        with open("test1.txt", "r") as f:
+            print("Test file found successfully...\n")
+            lines = f.readlines()
+            for line in lines:
+                print(line)
+    except FileNotFoundError:
+        print("Error: Test file is not available in current directory")
+    return None
+
+safe_file_reader()

homeworks/13_file_handling/test.txt

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+Hi Logi
+How are you?

homeworks/15_oops/multi-level_inheritance.py

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+class Animal:
+    def __init__(self, name):
+        self.name = name
+    def eat(self):
+        return f"{self.name} is eating"
+
+class Mammal(Animal):
+    def __init__(self,name,has_fur):
+        super().__init__(name)
+        self.has_fur = has_fur
+    def walk(self):
+        return f"{self.name} is walking"
+
+class Dog(Mammal):
+    def __init__(self,name,has_fur,breed):
+        super().__init__(name,has_fur)
+        self.breed = breed
+    def bark(self):
+        return f"{self.name} can Bark"
+    def fur_info(self):
+        if self.has_fur == True:
+            return f"{self.name} is having fur"
+        else:
+            return f"{self.name} does not have fur"
+
+class Cat(Mammal):
+    def __init__(self, name, has_fur, breed):
+        Mammal.__init__(self,name,has_fur)
+        self.breed = breed
+    def meow(self):
+        return f"{self.name} can meow"
+
+
+if __name__ == '__main__':
+    a = Dog(name="Leo", has_fur=True, breed="Labrador")
+    print(a.walk(), '\n', a.bark())
+    print (a.fur_info())
+
+    b = Cat(name="Min", has_fur=False, breed="Persian")
+    print(b.walk(), '\n', b.meow())

homeworks/15_oops/multiple_inheritance.py

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+class Phone:
+    def __init__(self, brand, number):
+        self.brand = brand
+        self.number = number
+
+    def call(self):
+        return f"Calling from {self.number} with {self.brand}"
+
+class Camera:
+    def __init__(self, mps):
+        self.mps = mps
+
+    def take_photo(self):
+        return f"Taking photo with {self.mps} megapixels camera"
+
+class Smartphone(Phone, Camera):
+    def __init__(self,brand,number,mps):
+        Phone.__init__(self,brand,number)
+        Camera.__init__(self,mps)
+
+sp = Smartphone(brand= 'Iphone', number=123456789, mps=45)
+
+print(sp.call())
+print(sp.take_photo())

homeworks/15_oops/pet_simulator.py

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+class Pet:
+    def __init__(self, name, hunger, happiness, health):
+        self.name = name
+        self.hunger = hunger
+        self.happiness = happiness
+        self.health = health
+
+    def get_status(self):
+        return f"Pet name is {self.name}, it is {self.hunger} & {self.happiness}. It's health is {self.health}"
+    def feed(self):
+        return f"{self.name} is eating"
+
+    def play(self):
+        self.happiness = "Happy"
+        return f"{self.name} is {self.happiness}"
+
+
+pet = Pet("Leo", "Hungry", "Sad", "Average")
+print(pet.get_status())
+print(pet.feed())
+print(pet.play())

homeworks/15_oops/single_inheritance.py

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+class Employee:
+    def __init__(self, name, salary):
+        self.name = name
+        self.salary = salary
+
+    def get_employee_info(self):
+        return (f"Employee Name: {self.name}, Employee Salary: {self.salary}")
+
+class Manager(Employee):
+    def __init__(self, name, salary, dept):
+        super().__init__(name,salary)
+        self.dept = dept
+
+    def get_manager_info(self):
+        return (f"Manager Info:{self.name}, Manager Salary: {self.salary}, Manager Department: {self.dept}")
+
+if __name__ == '__main__':
+    emp = Employee("Ajay", 20000)
+    mgr = Manager("Logi", 200000, "SW & ADAS")
+    print(emp.get_employee_info())
+    print(mgr.get_employee_info())
+    print(mgr.get_manager_info())

homeworks/15_oops/test.py

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+# class Vehicle:
+#     def __init__(self, wheels, color):
+#         self.wheels = wheels
+#         self.color = color
+# class Car(Vehicle):
+#     def __init__(self, wheels, color, gears):
+#         super().__init__(wheels, color)
+#         self.gears = gears
+#     def gear_info(self):
+#         return (f"{self.color} Car has {self.gears} gears")
+#
+# honda = Vehicle(wheels=2, color="White")
+# honda_car = Car(wheels=4, color="Black", gears= 6)
+# print(honda.color, honda.wheels)
+# print(honda_car.color, honda_car.wheels)
+# print (honda_car.gear_info())
+
+
+class Vehicle:
+    def __init__(self):
+        self.wheels = 2
+        self.color = "Black"
+class Car(Vehicle):
+    def __init__(self):
+        super().__init__()
+        self.wheels = 4
+
+bike = Vehicle()
+car = Car()
+
+print (bike.color , bike.wheels)
+print (car.color, car.wheels)

homeworks/ch1-hw1.py

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+user_name= input("Enter your name:")
+fav_color= input("Enter favourite color:")
+print (f"Hi,{user_name}. {fav_color} is your favourite color")

homeworks/ch1-hw2.py

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+user_addr= input("Enter user address:")
+item_name= input("Enter Item name:")
+item_cost= input("Enter item cost:")
+print(f"Address:{user_addr} \n Item Purchased:{item_name} \n Item Cost:${item_cost}")

homeworks/ch1-hw3.py

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+prompt = input("Hi, Tell me what you have learnt today?\n")
+print(f"Amazing to hear!! You have learnt {prompt}")

homeworks/ch2-hw1.py

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+inch = float(input("Enter the inches:"))
+cm = inch * 2.54
+print (f"{inch} inches is equal to {cm}cm")

homeworks/ch2-hw2.py

@@ -0,0 +1,3 @@
+fah = float(input("Enter the Fahrenheit:"))
+Cel = float ((fah - 32) * (5/9))
+print (f"{fah} Fahrenheit is {round(Cel,2)} Celsius") 

homeworks/ch2-hw3.py

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+principal = int(input("Enter the principal amount:"))
+rate = int(input("enter the rate of interest:"))
+time = int(input("enter the time period:"))
+SI = round((float((principal * rate * time)/100)),1)
+print ("The total simple interest is",SI)

homeworks/ch3-hw1.py

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+a= int(input("enter the no:"))
+if ( a >= -3 and a <= 7):
+    print(f"the number {a} belongs to the interval")
+else:
+    print(f"the number {a} doesn't belong to the interval")

homeworks/ch3-hw2.py

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+a = int(input("enter the no:"))
+if ((a>= -30 and a <= -25) or (a >= 7 and a <= 25)):
+    print (f"the number {a} belong to the interval")
+else:
+    print(f"the number {a} does not belong to the interval")
+

homeworks/ch3-hw3.py

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+weight = int(input("Enter the bodyweight:"))
+if (weight > 64 and weight <=69):
+    print("Middleweight")
+elif (weight> 60 and weight <=64):
+    print ("First Middleweight")
+elif (weight<= 60):
+    print ("LightWeight")
+else:
+    print("Not a valid weight category")

homeworks/ch3-hw4.py

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+a = int(input("Enter first value for triangle:"))
+b = int(input("Enter second value for triangle:"))
+c = int(input("Enter third value for triangle:"))
+if ((a+b)<c or (a+c)<b or (b+c)<a):
+    print("NO")
+else:
+    print ("YES")

homeworks/ch3-hw5.py

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+city1 = input("Enter first city name:")
+city2 = input("Enter second city name:")
+city3 = input("Enter third city name:")
+
+if (len(city1) > len(city2) and len(city1)>len(city3)):
+    print (city1)
+elif (len(city2)>len(city1) and len(city2)>len(city3)):
+    print(city2)
+elif (len(city3)>len(city1) and len(city3)>len(city2)):
+    print(city3)

homeworks/reverse-sentence.py

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+# ip = []
+# print ("Enter 3 lines:\n")
+# for i in range(4):
+#     line= input()
+#     line = ip.append()
+# print(line[0,])
+
+print (10//3)

homeworks/test.py

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+a= int(input("enter the no:"))
+print(f"raw_input of{a}")
+if ( a >= -3 and a <= 7):
+    print(f"the number {a} belongs to the interval")
+else:
+    print(f"the number {a} doesn't belong to the interval")

homeworks/test1.py

@@ -0,0 +1,6 @@
+a = int(input("enter the no:"))
+if ((a>= -30 and a <= -25) or (a >= 7 and a <= 25)):
+    print (f"the number {a} belong to the interval")
+else:
+    print(f"the number {a} does not belong to the interval")
+