Python: Calculate the time runs of a program
Python Basic: Exercise-133 with Solution
Write a Python program to calculate the time runs (difference between start and current time)of a program.
Sample Solution:-
Python Code:
from timeit import default_timer
def timer(n):
start = default_timer()
# some code here
for row in range(0,n):
print(row)
print(default_timer() - start)
timer(5)
timer(15)
Sample Output:
0 1 2 3 4 2.6107000849151518e-05 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 4.1371999941475224e-05
Flowchart:
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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