Python Data Types

Posted by AnithaKamatchi on Saturday, April 14, 2018 in Python | No comments

Python has 5 standard data types

·         Numbers 

Stores numeric values. It is further classified as follows

Ø  int

Ø  float

Ø  double

Ø  complex

                Syntax: variable = value

               Example: age = 26

·         String

Stores a set of character represented within single/double quotes

Syntax: variable = ‘value’ or variable = “value”

Example: name = ‘Anitha’ or name = “Anitha”              

·         List

 List are the versatile sequence type in python. List in python support multiple datatypes separated by comma and enclosed within square brackets. List are mutable

Syntax: variable = [val1, val2, val3…valn]

Example: empInfo = [‘Anitha’, 26, ’Engineer’]

·         Tuple

Tuple are similar to list but are non-mutable. Unlike list tuple are enclosed within   parenthesis

Syntax: variable = (val1, val2, val3…valn)

Example: studentInfo = (‘Avinash’, 5, ’Grade II’)

·         Dictionary

Dictionaries contains (key, value) pair and are kind of hash table type. The key can by be any datatype and values can be of arbitrary python object. Key-value pair are separated by colon : and multiple key-value pair are separated by comma and enclosed within curly braces {}

Key is unique and value may have duplicates

Syntax: variable = {key1:val1, key2:val2, key3:val3… keyn:valn}

Example: cusInfo = {‘cusID’: 234, ‘name’:’Atul’,’Age’:28,’Gender’:’M’}