fileinput.isfirstline() in Python

fileinput.lineno() in Python

With the help of fileinput.isfirstline() method, we can get the boolean value as True if line read from the file is very first line else false by using fileinput.isfirstline() method.

Syntax : fileinput.isfirstline()

Return : Return True if line read is first line of that file.

Example #1 :
In this example we can see that by using fileinput.isfirstline() method, we are able to get the boolean value as True if line read is very first line from the input file by using this method.

Input File –

# import fileinput 
import fileinput 
  
# Using fileinput.isfirstline() method 
for line in fileinput.input(files ='gfg.txt'): 
    print(fileinput.isfirstline()) 

Output :

Example #2 :

Input Files –

# import fileinput 
import fileinput 
  
# Using fileinput.isfirstline() method 
for line in fileinput.input(files =('gfg.txt', 'gfg1.txt')): 
    print(fileinput.isfirstline()) 

Output :

Tags:

#Python fileinput-library #Python #python

fileinput.lineno() in Python

fileinput.isfirstline() in Python

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