Else statment can be used in:

  1. if else statment
  2. loops
  3. try-except statement

If else statment

  • if-else
if random.randint(5, 15) > 10:
  print("Randome number was > 10.")
else:
  print("Randome number was <= 10.")

Loops

  • for-in loop
for i in range(1, random.randint(5, 15)):
  if i > 10:
    break
  print(i)
else:
    print("Printed all the numbers!")
  • while loop
import random
i = 1
end = random.randint(5, 15)
while i < end:
  if i > 10:
    break
  print(i)
else:
    print("Printed all the numbers!")

 

Try except statement

  • try-except
try:
   pass
except:
  print("Unreachale code!")
else:
  print("First print!")
finally:
  print("Second print!")

 

Interview Questions

 

1. When will else-block be excuted in a loop?

When no break occurs.

2. When will else-block be excuted in a try-except statement?

When no exception occurs.

3. When will else-block be excuted in a try-catch statment - after or before finaly statment?

Before finaly.