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Python: Find the maximum and minimum numbers from a sequence of numbers

Python Basic: Exercise-148 with Solution

Write a Python function to find the maximum and minimum numbers from a sequence of numbers.
Note: Do not use built-in functions.

Sample Solution :-

Python Code :

def max_min(data):
  l = data[0]
  s = data[0]
  for num in data:
    if num> l:
      l = num
    elif num< s:
        s = num
  return l, s

print(max_min([0, 10, 15, 40, -5, 42, 17, 28, 75]))

Sample Output:

(75, -5)

Pictorial Presentation:

Python: Find the maximum and minimum numbers from a sequence of numbers.

Flowchart:

Flowchart: Find the maximum and minimum numbers from a sequence of numbers.

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Previous: Write a Python function to check whether a number is divisible by another number. Accept two integers values form the user.
Next: Write a Python function that takes a positive integer and returns the sum of the cube of all the positive integers smaller than the specified number.

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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