The requests module lets you easily download files from the Web without having to worry about complicated issues such as network errors, connection problems, and data compression. The requests module doesn’t come with Python, so you’ll have to install it first. From the command line, run pip3 install requests. Next, do a simple test to make sure the requests module…
webbrowser Comes with Python and opens a browser to a specific page. Requests Downloads files and web pages from the Internet. Beautiful Soup Parses HTML, the format that web pages are written in. Selenium Launches and controls a web browser. Selenium is able to fill in forms and simulate mouse clicks in this browser. webbrowser Module The webbrowser module’s open()…
String There are three ways you can declare a string in Python: single quotes (‘), double quotes (“), and triple quotes (“””). You can use quotation marks within strings by placing a backslash directly before them, so that Python knows you want to include the quotation marks in the string, instead of ending the string there. Placing a backslash directly…
Catching exceptions Whenever a runtime error occurs, it creates an exception object. The program stops running at this point and Python prints out the traceback, which ends with a message describing the exception that occurred. Ex→ dividing by zero creates an exception: >>> print(55 / 0) Traceback (most recent call last): File “<pyshell#0>”, line 1, in <module> print(55 / 0)…
Numpy NumPy is the fundamental package for scientific computing with Python. It contains among other things: a powerful N-dimensional array object sophisticated (broadcasting) functions tools for integrating C/C++ and Fortran code useful linear algebra, Fourier transform, and random number capabilities Why NumPy? The standard Python data types are not very suited for mathematical operations. EX-→ Suppose we have a list.…
If you have already installed Django, you can skip and jump directly to Creating your first project. If you haven’t installed Django yet, here is a quick guide to installing Django for local development. Django works well with Python versions 2.7 or 3.If you are not sure if Python is installed in your computer, you can verify it by…