exception handling.py

                                                                                                         #             EXCEPTION HANDLIING


#Q1. Name and handle the exception occured in the following program:

'''

a=3
if a<4:
    a=a/(a-3)
    print(a)
'''
''' Ans. File "C:/Users/sony vaio/Desktop/exception handling.py", line 5, in <module>
    a=a/(a-3)
ZeroDivisionError: division by zero '''
'''
a=3
try:
  if a<4:
      a=a/(a-3)
      print(a)

except ZeroDivisionError as e:
  print("Error occured: ",e)
'''

###############################


#Q2. Name and handle the exception occurred in the following program:
'''
l=[1,2,3]
print(l[3])
'''
#Ans. Error occured is IndexError
'''
try:
  l=[1,2,3]
  print(l[3])

except IndexError as e:
  print("Error occured: ",e)
'''

##############################


#Q3. What will be the output of the following code:
''' 
try:
    raise NameError("Hi there")  # Raise Error
except NameError:
    print "An exception"
    raise  # To determine whether the exception was raised or n
'''

''''Output:-
An exception
Traceback (most recent call last):
  File "hello.py", line 2, in <module>
    raise NameError("Hi there")  # Raise Error
NameError: Hi there'''


###################################




#Q4. What will be the output of the following code:
'''
def AbyB(a , b):
	try:
            c = ((a+b) / (a-b))
	except ZeroDivisionError:
            print "a/b result in 0"
	else:
            print c
'''
'''
# Driver program to test above function
AbyB(2.0, 3.0)
AbyB(3.0, 3.0)
'''
'''
Output:-
-5.0
a/b result in 0

'''

#####################################


#Q5. Write a program to show and handle following exceptions:
#1. Import Error
'''
try:
  from threading import ABC
  print(ABC)
except ImportError as e:
  print("Error occured:",e)
'''
'''
#2. Value Error
try:
  a=int(input("Enter number: "))
  print(a)
except ValueError as e:
  print("Error occured:",e)

'''

#3. Index Error

'''
l=[0,1,2]
try:
  print(l[3])
except IndexError as e:
  print("Error occured:",e)
  '''


##########################

#Q6. Create a user-defined exception AgeTooSmallError() that warns the user when they have entered age less than 18.
#The code must keep taking input till the user enters the appropriate age number(less than 18). 

'''  
class Error(Exception):
  def __init__(self):
     super(Exception,self).__init__(self)
  
  def ageTooSmallError(self, msg):
     print(msg)

c=True
while c:
  try:
     age=int(input("Enter age"))
     if age<18:
         raise Error()

  except Error as e:
     e.ageTooSmallError("Warning: Age is less than 18")
   
  else:
     c=False

 '''