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Python: Round every number of a given list of numbers and print the total sum multiplied by the length of the list

Python List: Exercise - 83 with Solution

Write a Python program to round every number of a given list of numbers and print the total sum multiplied by the length of the list.

Sample Solution:

Python Code:

nums = [22.4, 4.0, -16.22, -9.10, 11.00, -12.22, 14.20, -5.20, 17.50]
print("Original list: ", nums)
print("Result:")
lenght=len(nums)
print(sum(list(map(round,nums))* lenght))

Sample Output: 

Original list:  [22.4, 4.0, -16.22, -9.1, 11.0, -12.22, 14.2, -5.2, 17.5]
Result:
243

Pictorial Presentation:

Python List: Round every number of a given list of numbers and print the total sum multiplied by the length of the list.

Flowchart:

Flowchart: Round every number of a given list of numbers and print the total sum multiplied by the length of the list.

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Python Code Editor:

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Previous: Write a Python program to generate the combinations of n distinct objects taken from the elements of a given list.
Next: Write a Python program to round the numbers of a given list, print the minimum and maximum numbers and multiply the numbers by 5. Print the unique numbers in ascending order separated by space.

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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