Chapter1 Assignments

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/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

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+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

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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")
+