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NumPy: Find the first Monday in May 2017

NumPy DateTime: Exercise-5 with Solution

Write a NumPy program to find the first Monday in May 2017.

Sample Solution:-

Python Code:

import numpy as np
print("First Monday in May 2017:")
print(np.busday_offset('2017-05', 0, roll='forward', weekmask='Mon'))

Sample Output:

First Monday in May 2017:                                              
2017-05-01

Pictorial Presentation:

NumPy: Find the first Monday in May 2017.

Python-Numpy Code Editor:

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Previous: Write a NumPy program to create 24 python datetime. datetime objects (single object for every hour), and then put it in a numpy array.
Next: Write a NumPy program to find the number of weekdays in March 2017.

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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