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Slide 1: Introduction to Internet of Things (IoT) |
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The operand to the left of the = operator is the name of the variable and
the operand to the right of the = operator is the value stored in the variable.
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Data Types in Python
Programs store data in one form or the other and must be of a certain type.
We discuss the following data types
- Strings
- Lists
- Tuple
- Dictionary
- Byte
- Array
String in Python
Strings in Python are identified as a contiguous set of characters represented in the quotation marks.
Python accepts either pair of single, double quotes and triples(single/double) quotes.
List in Python
The list is a most versatile datatype available in Python.
It can be written as a list of comma-separated values (items) between square [] brackets.
A list need not be of the same type.
The values present in a list are indexed starting from zero.
The values stored in a list can be accessed using the slice operator ([ ] and [:]) with
indexes starting at 0 in the beginning of the list and working their way to end -1.
Tuple in Python
Tuples are much more like a list.
They are enclosed in brackets().
Their content cannot be changed unlike the list whose content can be changed.
Thus tuples are read only. |
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