Python nested If

Python nested If:

Python If Else statement is a conditional statement, which can be used in various forms to check a condition or multiple conditions and to perform the specified action or actions, if the particular condition is true. These are:

..elif….else or nested if:

If elif else statement is used to perform different actions for different conditions. The elif keyword considers the next mentioned conditions, if the previous conditions were not true. The else keyword considers everything which was not considered by the preceding conditions.

Syntax:

if (condition):

Execute this code if this condition is true

elif (condition):

Execute this code if this condition is true

else:

Execute this code if all the conditions are false

Example:
//pythonexample.py

a = "0"
if (a == "256"):
   print a
elif (a == "0")
   print "Null Value"
else:
   print "Error in Value"

Output: