f1 = open("/my_path/my_file.text", "r")
to open and read a file
f1 = open("/my_path/my_file.text", "w")
to open and write a file (all previous material discarded)
f1 = open("/my_path/my_file.text", "a")
to open and add to a file
f1.read()
read a file into a string
f1.write("hello!")
writes to a file
f1.readline()
reads next line
f1.close()
closes a file (must always close a file!)
with open("/my_file...etc) as f:
opens, allows work, and automatically closes a file
timedelta
time library function to calculate time amounts
from datetime import timedelta
grabs timedelta from the datetime library
import datetime as dt
imports a library as a specified variable
datetime.date.today().month
to print current month (aka .day or .year for those)
beautiful soup
HTML parsing library
NumPy
scientific computing, matrices, array creation library
pandas
data manipulation and analysis library
pillow (PIL)
work with and manipulate images; python imaging library
pyglet
multimedia / gaming creation library
pytz
time zone data library
pip install ____________ import _______________
to install and import a library into your code
math.ceil()
round down (4.5 = 4, 4.8 = 4, 4.1 = 4, 4.9 = 4)
math.floor()
round up (4.6 = 5, 4.7 = 5, 4.1 = 5, 4.2 = 5)
datetime.date.today()