GE8151 | VALUES AND TYPES | PYTHON DATA TYPES | PSPP | TAMIL | UNIT2

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GE8151 | VALUES AND TYPES | PYTHON DATA TYPES | PSPP | TAMIL | UNIT2
Variable:
Variables are containers for storing data values. Based on the data type different values can be stored in a variable.
Numbers:
 int: whole number, positive or negative, without decimals, of unlimited length.
 long: It represents the long integers. These can be represented in octal and hexadecimal.
 float: number, positive or negative, containing one or more decimals. Float can also be scientific numbers with an "e" to indicate the power of 10
 complex: written with a "j" as the imaginary part
Strings:
 The String is a collection of characters. It is presented with in a quote..
Boolean:
 There are two type of Boolean values – true or false
Lists:
 List is a sequence of values in a single variable.
 List items are ordered, changeable and allow duplicate values.
 List items are separated by commas and enclosed with in the square bracket [ ].
Tuples:
 Tuple is a sequence of values in a single variable.
 Tuple is said to immutable. That means once created we can’t change the tuple.
 Tuple items are separated by commas and enclosed within the Parenthesis ( ).
Dictionary:
 Python dictionaries are un-ordered collection of items. These items are in the form of key-value pairs.
 Items of the dictionary are written with in the {} brackets and are separated by commas.
 The key-value pair is represented using : operator. The key:value
 The keys are unique and are immutable types – such as string, number and tuple.


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