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Activity 3.1

A. Answer the following questions:
1. What do you mean by the logic of a problem or a program?

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2. What is a logical operator?

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3. Write the function of ‘not’ logical operator in python.

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4. What is the difference between ‘and’ & ‘or’ logical operator?

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B. Fill in the Blanks.

1. ___________ is a unary logical operator that works on a single condition.
2. In the statement (3>5) and (4<=8), ‘and’ is a ___________ operator.

3. In the statement (3>5) and (4<=8), ‘<=’ is a ___________ operator.

4. ___________ logical operator gives the final output ‘True’ even a single
condition is ‘True’.

5. ‘and’ or ‘or’ logical operators are used when ___________ or more conditions
are to be checked.
C. Predict/Select the correct OUTPUT for each question.

1. !(4>10):

A. True C. Error
B. False D. None

2. not (5<3):

A. True C. Error
B. False D. None
3. (5>3) and (8<12):

A. True C. Error
B. False D. None
4. (8<2) or (2<=9):

A. True C. Error
B. False D. None

Logical Operators in Python 41