Python String format_map() Method
Python String format_map() method is an inbuilt function in Python, which is used to return a dictionary key’s value.
Syntax:
string.format_map(z)
Parameters:
Here z is a variable in which the input dictionary is stored and string is the key of the input dictionary. input_dict: Takes a single parameter which is the input dictionary.
Returns:
Returns key’s values of the input dictionary.
Example 1: Python String format_map() method
Python3
a = { 'x' : 'John' , 'y' : 'Wick' }
print ( "{x}'s last name is {y}" .format_map(a))
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Output:
John's last name is Wick
Example 2:
Python3
a = { 'x' : "geeksforgeeks" , 'y' : 'b' }
print ( '{x} {y}' .format_map(a))
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Output:
geeksforgeeks b
Example 3:
Python3
profession = { 'name' :[ 'Barry' , 'Bruce' ],
'profession' :[ 'Engineer' , 'Doctor' ],
'age' :[ 30 , 31 ] }
print ( '{name[0]} is an {profession[0]} and he'
' is {age[0]} years old.' .format_map(profession))
print ( '{name[1]} is an {profession[1]} and he'
' is {age[1]} years old.' .format_map(profession))
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Output:
Barry is an Engineer and he is 30 years old.
Bruce is an Doctor and he is 31 years old.
Example 4: Practical Application
The format_map() function can be used in any practical application.
Python3
def chk_msg(n):
a = { 'name' : "George" , 'mesg' :n}
print ( '{name} has {mesg} new messages' .format_map(a))
chk_msg( 10 )
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Output:
George has 10 new messages
Last Updated :
05 Aug, 2021
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