exeption_handling.py

"""import os,time,shutil
import shutil
print("OS Name:" ,os.name)
print(os.getcwd())
print(os.listdir("."))
print(os.listdir(".."))"""

"""try:
    a=int(input("Enter number: "))
    b=int(input("Enter another number: "))
    print(a/b)

except ZeroDivisionError:
    print("Division by zero")

except ValueError:
    print("Invalid number entered ")"""

"""try:
    x=int(input("Enter number: "))
except ValueError:
    print("Invalid input")
else:
    print("Square =",x*x)"""



"""#1
numbers=[10,20,30,40,50]
try:
    user_input=input("enter an index(0-4) to see the number between 0 and 4.")
    index=int(user_input)

    print(f"The value at index{index} is:{numbers[index]}")
    
except IndexError:
    print(f"Error:The index{index} is out of range.please enter a number betweem 0 to 4.")

except ValueError:
    print("Error:invalid input please enter valid number. ")"""

#2

def add_values():
    val1 =input("enter the first value: ")
    val2 =input("enter the second value: ")

    try:
       
      result = float(val1)+ float(val2)
      print(f"The sum is:{result}")

    except ValueError:
      
     print("Error:Incompatible data types.please enter numeric values only.")

add_values()



#3
total_sum=0
print("enter numbers to add the up.pressclt+c to stop and see the final sum.")

try:
    while True:
        user_input = input("enter a number: ")
        try:
            total_sum+=float(user_input)