©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
C859 Python Exam Study Guide
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
1
, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
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() - ✔️✔️get today's date
datetime.date.(1967, 9, 7)
print(mybday.strftime("%A")) - ✔️✔️gets the day of the week
math.factorial() - ✔️✔️multiplies each number in argument to give answer
math.exp() - ✔️✔️return e raised to power of (x) (natural log)
math.sqrt() - ✔️✔️return square root of x
os.link() - ✔️✔️create a hard link pointing to a source
2
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
C859 Python Exam Study Guide
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
1
, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
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() - ✔️✔️get today's date
datetime.date.(1967, 9, 7)
print(mybday.strftime("%A")) - ✔️✔️gets the day of the week
math.factorial() - ✔️✔️multiplies each number in argument to give answer
math.exp() - ✔️✔️return e raised to power of (x) (natural log)
math.sqrt() - ✔️✔️return square root of x
os.link() - ✔️✔️create a hard link pointing to a source
2
