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Python: Get a list of dates between two dates

Python Datetime: Exercise-50 with Solution

Write a Python program to get a list of dates between two dates.

Sample Solution:

Python Code:

from datetime import timedelta, date

def daterange(date1, date2):
    for n in range(int ((date2 - date1).days)+1):
        yield date1 + timedelta(n)

start_dt = date(2015, 12, 20)
end_dt = date(2016, 1, 11)
for dt in daterange(start_dt, end_dt):
    print(dt.strftime("%Y-%m-%d"))

Sample Output: 

2015-12-20                                                                                                    
2015-12-21                                                                                                    
2015-12-22                                                                                                    
2015-12-23                                                                                                    
2015-12-24                                                                                                    
2015-12-25                                                                                                    
2015-12-26                                                                                                    
2015-12-27                                                                                                    
2015-12-28                                                                                                    
2015-12-29                                                                                                    
2015-12-30                                                                                                    
2015-12-31   
-------
2016-01-08                                                                                                    
2016-01-09                                                                                                    
2016-01-10                                                                                                    
2016-01-11

Flowchart:

Flowchart: Get a list of dates between two dates.

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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