File Handling

Codynn
1 Min Read

1. Creating New File in Python:

Syntax:

file = open("python.txt", "x")

2. Opening Files in Python:

i. Opening file from same folder:

Syntax:

file = open("python.txt", "r")
print(file.read())

ii. Opening file from different folder:

Syntax:

file = open("D:\\myfiles\python.txt", "r")
print(file.read())

3.Reading Files in Python:

i. Read one line of the file:

Syntax:

file = open("python.txt", "r")
print(file.readline())

ii. Read two lines of the file:

Syntax:

file = open("python.txt", "r")
print(file.readline())
print(file.readline())

iii. Read the file line by line :

Syntax:

file = open("python.txt", "r")
for a in file:
  print(a)

4. Writing to Files in Python:

i. Append content to the file:

Syntax:

file = open("python.txt", "a")
file.write("Now the file has more content!")
file.close()

ii. Overwrite content to the file:

Syntax:

file = open("python.txt", "w")
file.write("Previous content deleted!")
file.close()

5. Closing Files in Python:

Syntax:

file = open("python.txt", "r")
print(file.readline())
file.close()

6. Deleting Files in Python:

Syntax:

import os
if os.path.exists("python.txt"):
 			os.remove("python.txt")
else:
  			print("The file does not exist")

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