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Python: Filter the height and width of students which are stored in a dictionary using lambda

Python Lambda: Exercise-34 with Solution

Write a Python program to filter the height and width of students, which are stored in a dictionary using lambda.

Sample Solution:

Python Code :

def filter_data(students):
    result = dict(filter(lambda x: (x[1][0], x[1][1]) > (6.0, 70), students.items()))
    return result  
students = {'Cierra Vega': (6.2, 70), 'Alden Cantrell': (5.9, 65), 'Kierra Gentry': (6.0, 68), 'Pierre Cox': (5.8, 66)}
print("Original Dictionary:")
print(students)
print("\nHeight> 6ft and Weight> 70kg:")
print(filter_data(students))

Sample Output:

Original Dictionary:
{'Cierra Vega': (6.2, 70), 'Alden Cantrell': (5.9, 65), 'Kierra Gentry': (6.0, 68), 'Pierre Cox': (5.8, 66)}

Height> 6ft and Weight> 70kg:
{'Cierra Vega': (6.2, 70)}

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Previous: Write a Python program to check whether a given string contains a capital letter, a lower case letter, a number and a minimum length using lambda.
Next: Write a Python program to check whether a specified list is sorted or not using lambda.

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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