How To Change Data Type In Python

At that place are lots of datatype conversion which are possible in python. I am list some of the commonly used conversions which are important.

string to integer
integer to cord
integer to float
float to integer
cord to appointment

string to integer

This blazon of conversion is used when demand to perform mathematical operations on a part of string which is number.

four

five

'' 'string to integer datatype conversion' ''

# defining int every bit an cord

intVar = '10'

# Print datatype earlier conversion

print ( 'Datatype Before conversion' , type ( intVar ) )

# Converting the datatype to integer

intVar = int ( intVar )

# Print datatype after conversion

print ( 'Datatype afterward conversion' , blazon ( intVar ) )

# mutual use in performing mathematical opeations

# which is not possible on strings

print ( 'The percentage of products sold were' , 100 * ( intVar / 100 ) , '%' )

Sample Output

String to Integer datatype conversion in Python — Cord to Integer datatype conversion in Python

integer to string

This type of conversion is commonly used when nosotros need to combine a string and number together into a unmarried string message.

two

three

'' 'integer to string datatype conversion' ''

# defining an integer variable

intVar = 10

# Print datatype earlier conversion

print ( 'Datatype Before converion' , type ( intVar ) )

# Converting the datatype to integer

intVar = str ( intVar )

# Print datatype after conversion

print ( 'Datatype subsequently conversion' , type ( intVar ) )

# common use in creating custom messages

strMessage = 'The number of products sold are ' + str ( 200 ) + ' units'

impress ( strMessage )

Sample Output

Integer to String datatype conversion in Python

integer to float

This type of datatype conversion is used when we need decimal signal precision in the numbers.

ane

two

five

half-dozen

# integer to float datatype conversion

# defining an integer variable

intVar = 10

# Print datatype before conversion

impress ( 'Datatype Before conversion' , blazon ( intVar ) )

# Converting the datatype to integer

intVar = float ( intVar )

# Print datatype later on conversion

print ( 'Datatype later conversion' , blazon ( intVar ) )

# mutual use in getting decimal precision

strMessage = 'The percentage of products sold are ' + str ( float ( 10 ) ) + ' units'

print ( strMessage )

Sample Output

Integer to Float datatype conversion in Python

float to integer

This type of conversion is unremarkably used when we are representing values which are quantities and generated as a result of some division operation.

two

three

ten

eleven

xiii

xviii

# float to integer datatype conversion

# defining an integer variable

floatVar = 10.22

# Impress datatype before conversion

print ( 'Datatype Before conversion' , type ( floatVar ) )

# Converting the datatype to integer

# and assigning to new variable

intVar = int ( floatVar )

# Print datatype after conversion

print ( 'Datatype after conversion' , type ( intVar ) )

# common apply in representing quantities

strMessage = 'The production per person are ' + str ( int ( 200 / 22 ) ) + ' units'

print ( strMessage )

Sample Output

Float to Integer datatype conversion in Python

String to Engagement

Date is a special datatype, although date values look like strings only, in that location are many operations we tin perform using a date like comparison, difference in appointment etc. Most of fourth dimension you get a appointment string equally an input to your applications/programs. Hence, we must convert that string blazon to engagement type using library "datetime" in order to perform the appointment operations.

four

xiv

xviii

nineteen

twenty

# String to Date datatype conversion

# defining an string variable

stringDate = '21-ten-2020'

# Print datatype before conversion

print ( 'Datatype Before conversion' , blazon ( stringDate ) )

# Converting the datatype to Date

# and assigning to new variable

import datetime

StartDate = datetime . datetime . strptime ( stringDate , '%d-%k-%Y' )

# Print datatype later conversion

print ( 'Datatype after conversion' , type ( StartDate ) )

print ( StartDate )

# common utilize in finding departure in days from other date

Deadline = datetime . datetime ( 2021 , 12 , 24 )

DateDifference = Deadline - StartDate

print ( 'Difference in the deadline and start date is:' , DateDifference . days , 'days' )

Sample Output

String to Date datatype conversion in python — Cord to Date datatype conversion in python

Popular Cord to engagement formats

# importing the library

import datetime

# Generating dates using various string input formats

impress ( datetime . datetime . strptime ( '22-Apr-2020' , '%d-%B-%Y' ) )

print ( datetime . datetime . strptime ( '22-04-2020' , '%d-%1000-%Y' ) )

print ( datetime . datetime . strptime ( '04/22/2020' , '%m/%d/%Y' ) )

print ( datetime . datetime . strptime ( 'Mar/22/2020' , '%b/%d/%Y' ) )

Sample Output

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