Pandas Practice Set-1: Convert a python list to pandas series
Pandas Practice Set-1: Exercise-16 with Solution
Write a Pandas program to convert a python list to pandas series.
Sample Solution:
Python Code:
import pandas as pd
diamonds = pd.read_csv('https://raw.githubusercontent.com/mwaskom/seaborn-data/master/diamonds.csv')
l = [1, 3, 5, 7, 9, 11]
print("Original list:")
print(l)
print("Convert the list to a Series:")
result = pd.Series(l)
print(result)
Sample Output:
Original list: [1, 3, 5, 7, 9, 11] Convert the list to a Series: 0 1 1 3 2 5 3 7 4 9 5 11 dtype: int64
Python Code Editor:
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Previous: Write a pandas program to filter the DataFrame rows to only show carat weight at least 0.3.
Next: Write a Pandas program to find the details of the diamonds where length>5, width>5 and depth>5.
What is the difficulty level of this exercise?
Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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