a = ['a', 'b', 'c', 'd'] a.pop(1) # now a is ['a', 'c', 'd']
Here is what the above code is Doing:
1. We create a list called a with four items.
2. We call the pop() method on a and pass in the index of the item we want to remove.
3. The item at index 1 is removed from the list.
# To move a file in Python, use one of the following: import os import shutil os.rename(“path/to/current/file.foo”, “path/to/new/destination/for/file.foo”) shutil.move(“path/to/current/file.foo”, “path/to/new/destination/for/file.foo”) os.replace(“path/to/current/file.foo”, “path/to/new/destination/for/file.foo”) # In the first two cases the directory in which the new file # is being created must already exist. Here is what the above code is Doing: 1. Importing the os and…
import socket s = socket.socket( socket.AF_INET, socket.SOCK_STREAM) try: s.connect((“localhost”, 10000)) except socket.error as e: print e OUTPUT [Errno 111] Connection refused Here is what the above code is Doing: 1. Create a socket object 2. Call the connect() method on the socket object 3. If the connection is successful, the connect() method returns immediately. 4….
python -m pip install -U –force pip Here is what the above code is Doing: 1. Install the latest version of pip 2. Install the latest version of setuptools 3. Install the latest version of wheel
for key, value in d.items(): … for key in d.keys(): … for value in d.values(): … Here is what the above code is Doing: 1. We create a dictionary with three key-value pairs. 2. We iterate over the dictionary using a for loop. 3. We print out the key and value for each iteration. 4….
Hints at what its retunrning But it can return other things Has no effect if it is not there or if it is there Here is what the above code is Doing: 1. The function is called with a single argument, the string “Hello”. 2. The function creates a local variable named s and assigns…
command=lambda:[funcA(), funcB(), funcC()] Here is what the above code is Doing: 1. Create a function that does something 2. Create a button that calls the function 3. Create a button that calls multiple functions