Pandas: The datetime, day, and time objects
Pandas Time Series: Exercise-1 with Solution
Write a Pandas program to create
a) Datetime object for Jan 15 2012.
b) Specific date and time of 9:20 pm.
c) Local date and time.
d) A date without time.
e) Current date.
f) Time from a datetime.
g) Current local time.
Sample Solution:
Python Code :
import datetime
from datetime import datetime
print("Datetime object for Jan 11 2012:")
print(datetime(2012, 1, 11))
print("\nSpecific date and time of 9:20 pm")
print(datetime(2011, 1, 11, 21, 20))
print("\nLocal date and time:")
print(datetime.now())
print("\nA date without time: ")
print(datetime.date(datetime(2012, 5, 22)))
print("\nCurrent date:")
print(datetime.now().date())
print("\nTime from a datetime:")
print(datetime.time(datetime(2012, 12, 15, 18, 12)))
print("\nCurrent local time:")
print(datetime.now().time())
Sample Output:
Datetime object for Jan 11 2012: 2012-01-11 00:00:00 Specific date and time of 9:20 pm 2011-01-11 21:20:00 Local date and time: 2020-08-17 09:56:17.459790 A date without time: 2012-05-22 Current date: 2020-08-17 Time from a datetime: 18:12:00 Current local time: 09:56:17.461250
Python Code Editor:
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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
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