client = MongoClient(
host = ["ip:port"],
username = "objectrocket",
password = "1234",
)
client.admin.command('ping')
Here is what the above code is Doing:
1. Importing the MongoClient class from the pymongo library.
2. Creating a MongoClient instance.
3. Connecting to the MongoDB instance.
4. Authenticating the user.
5. Pinging the MongoDB instance.
import my_module # initial import of my_module from importlib import reload my_module = reload(my_module) # reload of my_module Here is what the above code is Doing: 1. Importing my_module 2. Importing the reload function from importlib 3. Reloading my_module Note that the reload function is only available in Python 3.4 and above.
pd.Series([1, np.nan, 2, None]) Out: 0 1.0 1 NaN 2 2.0 3 NaN dtype: float64 Here is what the above code is Doing: 1. We create a series with four values. 2. We print the series. 3. We print the type of the series. As you can see, the type of the series is float64….
df = df[df.myvar != 0] df = df[df.myvar < 2] Here is what the above code is Doing: 1. It's creating a new column called 'myvar' that contains the values of 'var' divided by 'var2'. 2. It's creating a new column called 'myvar2' that contains the values of 'var' multiplied by 'var2'. 3. It's creating...
[1]: Here is what the above code is Doing: 1. We’re creating a new variable called ‘data’ and setting it equal to the result of calling the ‘read_csv’ function from the ‘pandas’ library. 2. We’re passing the ‘read_csv’ function two arguments: – The first argument is the location of the file we want to read….
# —– Create a list with no repeating elements —— # mylist = [67, 7, 89, 7, 2, 7] newlist = [] for i in mylist: if i not in newlist: newlist.append(i) Here is what the above code is Doing: 1. Create an empty list called newlist 2. For each element in mylist, check if…
Add a Line comment Ctrl+K Ctrl+C. Remove a line comment Ctrl+K Ctrl+U. Here is what the above code is Doing: 1. We’re importing the pandas library and aliasing it as pd. 2. We’re importing the numpy library and aliasing it as np. 3. We’re importing the matplotlib library and aliasing it as plt. 4. We’re…