Type Conversion and Type Casting in Python || Lesson 8 || Python || Learning Monkey ||

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Type Conversion and Type Casting in Python
In this class, we discuss type conversion and type casting in python.
Type Conversion
Before going to discuss Type conversion. we should have an idea about operators. please click here.
Let’s take an example and understand type conversion.
a=1
b=5.0
c= a+b
print(c)
From the above program, a is an integer type. b is a floating type.
c = a+b automatically c is assigned with the floating-point data type.
Float is of the higher type so this type of conversion happens implicitly by python.
Take one more example.
a=1
b=5+2j
c=a+b
a is of type int, and b is of type complex.
int will automatically convert to complex. ie 1+0j.
So c will be a complex type.
Take one more example where type conversion is not possible.
a=1
b=”25″
c=a+b
Is it possible to do addition on strings and integers?
No.
Here type conversion is not done.
Typecasting comes here.
Type Casting
Explicitly doing the conversion is called type casting.
Example:
a=1
b=”25″
b= int(b)
c= a+b
print(c)
In the above program, we are converting the b value from string to int data type.
We use the function int to do this typecasting.
One more example of typecasting.
a=1
b=25.8
b= int(b)
c= a+b
print(c)
We are converting float to integer data type.
The integer part will only be considered here.
b will have the value of 25. The floating part is removed.
The output is 26.
List of Type conversion functions.
Function Conversion
int() string,float-int
float() string,int-float
str() int, float, list, tuple, dictionary - string
list() string, tuple, dictionary, set -list
tuple() string, list, set -tuple
set() string, list, tuple - set
complex() int, float - complex

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[sumanth]

Sir explain the difference between list, tuple, type and dictionary