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if…elif…else Ladder
The if…elif…else ladder is another type of if statement. It helps us to test multiple conditions
and follows a top-down approach. In this, as soon as the condition of the if evaluates to be true,
the indented block associated with that ‘if’ is executed, and the rest of the ladder is avoided.
If none of the conditions evaluates to true, then the final else statement gets executed.
Start
Syntax:
if (condition 1):
True
Indented block 1 if condition 1 block 1
elif (condition 2):
False
Indented block 2
True
elif (condition 3): if condition 2 block 2
Indented block 3
False
else:
Indented block True
if condition 3 block 3
False
block
Stop
To stop the running of an endless loop press CTRL+C.
Program: To check whether a given number is two-digit number, three-digit number or
four-digit number.
94 Premium Edition-VII

