Page 200 - Data Science Algorithms in a Week

Python Reference

Reading and writing the file

The following program will write two lines into the file test.txt, then read them and
finally print them to the output.
Input:

# source_code/appendix_c_python/example15_file.py
#write to the file with the name "test.txt"
file = open("test.txt","w")
file.write("first line\n")
file.write("second line")
file.close()
#read the file
file = open("test.txt","r")
print file.read()

Output:
$ python example15_file.py
first line
second line

[ 188 ]