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REVISIT
▶ A token is the smallest element of a Python program that is meaningful to the interpreter.
▶ Identifiers are the names given to variables, functions and arrays.
▶ Keywords are reserved words that are used for some specific purposes.
▶ Constants or literals are the fixed values that do not change during the execution of a program.
▶ An operator is a symbol that is used to perform some specific operations.
▶ Data types are used to define the type of data.
1. Tick ( ) the correct option.
a. Which of the following is not a keyword in Python language?
(i) value (ii) True
(iii) break (iv) None of these
b. In Python, the 3**5 expression will return _______________.
(i) 243 (ii) 15
(iii) 125 (iv) error
c. Which of the following is an example of float data type?
(i) 3257 (ii) -3.257
(iii) Shweta (iv) c=3+4j
d. When a parenthesis is missing in print statement, which type of error occurs?
(i) Logical Error (ii) Syntax Error
(iii) Mathematical Error (iv) None of these
e. A list is a collection of data elements separated by _______________ and enclosed within
_______________.
(i) , and {} (ii) . and \\
(iii) , and [] (iv) , and ()
2. Fill in the blanks using the words from the help box.
Semantic, Constant, Tuple, Data type, Identifier
a. _______________ is the fixed value that does not change during the execution of a program.
b. _______________ is the name given to variables, functions and arrays.
c. _______________ is a collection of data elements separated by comma and enclosed within
parentheses.
d. Logical errors are also known as _______________ errors.
e. _______________ is used to define the type of value a variable can contain.
Tokens and Data Types in Python 95

