Month: August 2021

# python code to print pyramid pattern in python
 def pyramid(n):
	
	
	k = n - 1

	for i in range(0, n):
	

		for j in range(0, k):
			print(end=" ")
	
		
		k = k - 1
	
		
		
		for j in range(0, i+1):
		

			print("* ", end="")
	

		print("\r")

 n = 5
 pyramid(n)


 Output

    *
   * *
  * * *
 * * * *
* * * * *

It is easy to check whether a file exists or not without exceptions in python ,python has a familiar os.path module using this module you can run isfile ,if it return True means a file exists or if it is False means file not exists

Code to check whether a file exists or not without exceptions in python

import os.path
os.path.isfile(FILE_PATH)


e.g 

>>> os.path.isfile("/home/index.html")
True
>>> os.path.isfile("/home/index_new.html")
False

Here is the code to print the current date and time in Python

from datetime import datetime
print datetime.now().strftime('%Y-%m-%d %H:%M:%S')

Here we are going to elaborate In python how to Find the index of an item in a list,Suppose i have a list [“Red”, “blue”, “green”, “orange”] , How to find out  in the color list what is the position or key of “green”

 
           array1 = ["Red", "blue", "green", "orange"]

           print array1.index("green")      
           
           Output 
              
               2