Pandas Excel: Find details where "Mine Name" starts with "P"
Pandas: Excel Exercise-12 with Solution
Write a Pandas program to import given excel data (coalpublic2013.xlsx ) into a dataframe and find details where "Mine Name" starts with "P". Go to Excel data
Sample Solution:
Python Code :
import pandas as pd
import numpy as np
df = pd.read_excel('E:\coalpublic2013.xlsx')
df[df["Mine_Name"].map(lambda x: x.startswith('P'))].head()
Sample Output:
Year MSHA ID Mine_Name Production Labor_Hours 13 2013 103332 Powhatan Mine 140521 61394 18 2013 102976 Piney Woods Preparation Plant 0 14828 19 2013 102976 Piney Woods Preparation Plant 0 23193 46 2013 103321 Poplar Springs 189370 76366
Excel Data:
coalpublic2013.xlsx:
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Previous: Write a Pandas program to import given excel data (coalpublic2013.xlsx) into a dataframe and find details where 'Labor Hours' > 20000.
Next: Write a Pandas program to import given excel data (coalpublic2013.xlsx) into a dataframe and find all records that include two specific MSHA ID.
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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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