THE IF - ELIF STATEMENT OF PYTHON

THE IF – ELIF STATEMENT OF PYTHON

Sometimes , we need to check another condition in the test – condition of if evaluates to false . that is we want to check a condition when control reaches else part
i.e., condition test in the form of else if .

the general form of these statements are –

if < conditional expression > :
       statement
       [ statement ]

elif < conditional expression > :
statement
[ statement ]

Now how to use in the python shell then we should combine the three statements – if , else , elif .

If < conditional expression > :
Statement
[ statement ]

elif < conditional expression > :
statement
[ statement ]

else < conditional expression > :
statement
[ statement ]

PYTHON IS A CASE SENSITIVE LANGUAGE AND IN PYTHON INDENTATION IS VERY IMPORTANT .

Now to understand the three conditional statement let us consider a python program –

In python coding w . a . p understands for write a program basically in examinations the examiner give coding questions by writing w . a . p and many of the students will not able to understand the word and they left the question .

Now come to the question –

Q 1 – ( W . A . P ) TO CHECK THE APPLICANT IS ABLE TO VOTE IN THE ELECTIONS OR NOT ?

Concept – in India a person is eligible when he / she crosses the age of 18 basically a person who crosses the age of 18 is able to vote for the elections now –

Half of your question is solved just you need to write the program with the help of the conditional expressions variables whatever you need in the program .

Code in python –

umr= float ( input ( “ age “ )

if umr >= 18 :
print ( “ you are eligible ” )

else :
print ( “ not eligible ” )

Q 2 – WRITE A PROGRAM TO INPUT THE MARKS OF TWO SUBJECTS AND GIVE THE GRADE A IF THE SUM OF THE MARKS IS GRATER THAN 90 AND GRADE B IF THE SUM OF MARKS IS GREATER THAN THE 70 AND GRADE C IF THE SUM OF THE MARKS IS GREATER THAN 50 .

Code in python –

gadit = int ( input ( “ marks mathsgatid ” ) )
phy = int ( input ( “ marks of  physics ” ) )

sum = gadit + phy

if sum > 90 :
print ( “ Grade A ” )

elif sum > 70 :
print ( “ Grade B ” )

else :
print ( “ Grade C ” )




IN THE NEXT BLOG WE LEARN ABOUT THE STORING VALUES IN PYTHON AND OTHER IMPORTANT SUB TOPICS  
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