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Python Exception Handling

Python Exception Handling

 Exception Handling

  • Exception handling is used to handle the errors which can be try to catch it, like zero divisible by any number.
  • Error is nothing but shows the syntax error in any language.

Method 1:

Syntax

try
operation block;
except Exception_name:
If there is Exception_name1 then execute this block.
except Exception_name2:
If there is Exception_name2, then execute this block.
else
If there is no exception then execute this block.

Example:

try:
num = int(input("Enter the number "))
num1 = int(input("Enter divisible number"))
re = num/num1
except ValueError:
print("Value is not int type")
except ZeroDivisionError:
print("Don't use zero")
else:
print("result is ",re )  

Step 1:

Exception Handling Example-1
Step 2:
Exception Handling Example-2

Step 3:

Exception Handling Example-3

Step 4:

Exception Handling Example-4

Step 5:

Exception Handling Example-5

Method 2:

 Syntax

try:
#run this action first
except: 
# Run if exception occurs 
Finally :
#Always run this code

Example

try: 
num = int(raw_input("Enter the number ")) 
re = 100/num 
except: 
print "Something is wrong" 
else: 
print "result is ",re 
finally : 
print "finally program ends"

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