M03 - Write to Files

Question 1

Write a file to a directory syntax

Answer 1

# Create filename variable for indirect or direct
file_to_save = os.path.join('filepath' , 'filename.ext')

# Using open( ) function w/ 'w' mode
open(file_to_save, 'w')

Question 2

IOError

Answer 2

Cause: Input/Output error meaning the directory does not exist w/i a given file path

Solution: Create said directory

Question 3

Write data (“Hello World!”) to a file using open( )/close( )

Answer 3

# Create filename variable to a path to the file
file_to_save = os.path.join('directory' , 'filename.ext')

#Use open statement open the file as text
outfile = open(file_to_save, 'w')

#Write some data to the file
outfile.write('Hello World!')

#close the file
outfile.close( )

Question 4

Write data (“H W!”) to a file using with

Answer 4

#Create filename variable to path to file
file_to_save = os.path.join('directory' , 'filename.ext')

# Using with open the file as text file
with open(file_to_save , 'w') as txt_file :

(tab) #write data to file
(tab) txt_file.write(“Hello World”)

Question 5

Newline escape sequence + example for 3 Items

Answer 5

\n

txt_file.write('Item1\nItem2\nItem3")
Output:
Item1
Item2
Item3