first.py

#first python code by session
# 5 pens 5books 7pencils calculate total price

#Python:
# - datatypes :
# int
# float 
# str
#  - Mathematical Operations  
#  - Variables
# - print()
# - type()

  
#   Calculate Total At Shop 
'''
numbers_of_pen = 10
price_of_pen = 5

print(price_of_pen * numbers_of_pen)
'''
#type
#type(price_of_pen)
#print(type) run in ide

# -Python : Interpreted Lang

# line by line execution **** in 25 line error stopped execution

#code without taking input

'''
price_of_pen = 10 

price_of_chocs = 25.50

number_of_pen = 8

number_of_chocs = 5

total = price_of_pen * number_of_pen + price_of_chocs * number_of_chocs
print('Welcome To choco Shop')
print('Please Pay The Total Bill :',total,'$')
print('Visit us Again')

'''
#Dynamic Typing

'''
var = 10

 #print(var)

var = 10.5 #python understand type float or int auto

print(var) #python store latest value

'''
'''
var_int = 10
var = var_int + 10
print(var)
'''
#string

'''
var_string = 'python' #string define with single 

print(var_string)
#empty string also a string can define using double quote
diff betn '' and " "
'''
# i want = Python "Begin" course
'''
print('Python "beginer" course ')
print("Python beginer's course" )

'''

# look at Comment printing

temp = '''
hi
hello
hi
hello
sid
'''
#print(temp)

"""
You can use this
"""

#indexing
'''
var = "hello"
print(var[2])
print(var[0])
#negative index
print(var[-1])
'''
 #error not empty print(var[])
 
 #String Concatination
'''
var = 'siddhesh'  + 'gaykar'
print(var)
'''
'''
var = 'python'

var[1:4] #works in idle

'''
#size factor

#reverse direction

# var[:: -1] #reverse string without any functions
#python => nohtyyp  <= this is reverse string

#functions 

#capital first character of string
'''
var='python'
var.capitalize()
print(var.capitalize())
'''
#each word first cap
'''
var = "python is great"
var.title()
print(var.title()) # print each character first leter cap

print(var.count('o')) #count the letter you pass in function

#filename = 'hello'
#filename.endswith('.py')
#filename.endswith("asdf.py")


'''
# check the Number is numeric or not 
'''
phoneno = '834568521d55'
print(phoneno.isnumeric()) 

phoneno2 = '8345685215'
print(phoneno2.isnumeric()) 
'''
#capital all letters 

'''
var = "hello"

print(var.upper())

'''