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Pandas: Count the number of rows and columns of the DataFrame

Pandas: IMDb Movies Exercise-4 with Solution

Write a Pandas program to count the number of rows and columns of the DataFrame (movies_metadata.csv file).

Sample Solution:

Python Code :

import pandas as pd
df = pd.read_csv('movies_metadata.csv')
result = df.shape
print("Number of rows and columns of the DataFrame:")
print(result)

Sample Output:

Number of rows and columns of the DataFrame:
(50, 24)

Python-Pandas Code Editor:


Sample Table:


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Previous: Write a Pandas program to get the details of the third movie of the DataFrame (movies_metadata.csv file).
Next: Write a Pandas program to get the details of the columns title and genres of the DataFrame.

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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