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harshitsoni01harshitsoni01
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learning
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‎basic_progs.py‎

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print("AREA OF CIRCLE!!")
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r = input("Radius: ")
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r = float(r)
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def area(r):
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pi = 3.142
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return pi*( r * r )
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print("The area of the circle of radius {1} is {0}".format(area(r), r))
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print("___________________________________")
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print("PRIME NUMBERS!!")
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p = input("Prime numbers upto: ")
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p = int(p)
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for i in range (1, p+1):
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if i > 1:
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for n in range(2, p):
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if (i%n)==0:
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break
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else :
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print(i)
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print("____________________________________")
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print("PATTERNS!!")
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n = input("Number of rows:")
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n = int(n)
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for i in range(0, n):
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for j in range(0, i+1):
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print("* ", end = "")
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print(" ")
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x = 1
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for i in range(0, n):
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for j in range(0, i+1):
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print(x , end = "")
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x+=1
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print(" ")
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‎hello.py‎

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msg = "Hello python world!!"
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print msg

‎learning.py‎

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print("py\t""thon")
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print(3*"un"+"ium")
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print("This is cool.")
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word = "python data"
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number = 1
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print (word[0])#this is used to get one character from string
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print("The ninth character is '%s'" %word[9])
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print(word[-1])
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print(word[-2])
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print(word[-3])
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print(word[-4])
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print(word[1:4])#yth this is used to get one or more character from a string #this can also be used for [1,2,3] kind of strings
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print(word[:4])#pyth
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print(len(word[:4]))#this is used to find the length of the specified string
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print("The lenght of the string is '%s'"%len(word))#this can be used to find the length of the string
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print("The lenght of PRINT is '%s'"%len("print"))
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print(word.index("t"))#2#this is used to find the positon of the character
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print(word.index("p"))#0
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print(word.count("p"))#counts the nos of specified letters
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print("a occurs %d times" % word.count("a"))#occurence of the specified char
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print(word[2:5:2])#to #this will skip 2nd character #this used for skiping a given no of terms#[start:stop:step]
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print(word[2:5:3])#t #this will 2nd and 3rd character
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print("The reverse of the string is '%s'"%word[::-1])#this is used to reverse the string
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print("The characters with odd index are '%s'" %word[1::2]) #0-based indexing
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print(word.lower())#this is to convert it into lowercase
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print(word.upper())#this is to convert it into uppercase
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print(word.startswith("pyth"))#this will print TRUE#this is used to find if a string starts with a specified string
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print(word.startswith("data"))#FALSE
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print(word.endswith("data"))#TRUE
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words=word.split(" ")#this is used to split a string at the specified character 'here " "' and to make it a list
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print(words)
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if word=="python data" and number==1:#we can use boolean operators 'and' & 'or'
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print("The word is %s and the number is %d"%(word,number))#which allows to make us to make complex boolean expressions
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if number == 1 or number == 2:
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print("The number is either 1 or 2 ")
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word1 = "python"
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if word1 in words:#this is used to check whether the specified object is in the iterable object container
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print("Your word is either pyhton or data")
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print((not False)==(True))#True#NOT is a boolean operator which inverts the expression
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if not number:#this can also be use to check if the numbers is 0/1 i.e. true/false
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print("Number is 1")#this won't print as the number is "not" zero
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if number:
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print("The number is 1")#this will print as the number is 1
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a,b=3,4
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print(a**b/a)#this is used for operations
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print(a==3)#True #this is used for checking if the value matches by printing if it's true/false
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print("\t\t FIBONACCI SERIES\n")
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a,b=0,1
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while a<1000:#instead of curly brakets like in c we use "Tab space" indentation(meaning tab space for keeping things in loop/function)
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print(a,end=',')#end=',' is used to put a comma after everything before it
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a,b=b,a+b#this type of equality is used for, demonstrating that the expressions on the right-hand side are all evaluated first before any of the assignments take place. The right-hand side expressions are evaluated from the left to the right.
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name = "Harshit "#string
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name += "Soni"#adding things in a string
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age = 18
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college = "Tsec"
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print("\nMy name is %s"% name)
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print("\nMy name is %s.And i'm %d.I'm currently studying in %s"%(name, age, college))
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mystr=[1,2,3]#string representationn
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mystr += [4,5,6]#adding things in a string
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print("\n My string is %s"% mystr)
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data = ("Harshit", "soni",18, "Tsec")#data representation
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string = "\nMy name is %s %s.And I'm %d.I'm currently studying in %s" #string representation
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print(string % data)
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#Since ** has higher precedence than -, -3**2 will be interpreted as -(3**2) and thus result in -9. To avoid this and get 9, you can use (-3)**2.
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print("""\
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\n message:this can be used for writing multiple line of string
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do you wanna cont?
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1.yes 2.no
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""")#this can be used for mutliple lines of strings
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#looping
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x = [i for i in range(10)]#this is use for making a list using 'for' loop and variable assignment
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print(x)
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for x in range(3,8):
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print(x)
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for x in range(3,8,2):
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print(x)
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#WHILE loop
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count=0
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while count<5:
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print("NUmbers using while loop %d"%count)
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count +=1
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#break
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count= 0
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while 1:
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print("NUmbers using break while looping %d"%count)
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count+=1
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if count>=5:
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break
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#contiune
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for x in range(10):
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if x % 2==0:
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continue #skips the choosen number/thing
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print("Odd numbers using contiune and for loop %d"%x)#prints odd numbers
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print("Number of odd numbers are %d" %count)
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for x in range(10):
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if not x % 2==0:
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continue #skips the choosen number/thing
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print("Even numbers using contiune and for loop %d"%x)#prints even numbers
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# Prints out 0,1,2,3,4 and then it prints "count value reached 5"
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# "else" can be used with loops
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count=0
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while(count<5):
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print(count)
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count +=1
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else:
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print("count value reached %d" %(count))
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# Prints out 1,2,3,4
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for i in range(1, 10):
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if(i%5==0):
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break
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print(i)
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else:
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print("this is not printed because for loop is terminated because of break but not due to fail in condition")
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for i in range(10):
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print(i)
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else:
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print("this 10")
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#Functions
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def my_function():#defining a function
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print("This is a function.")
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my_function()#calling a function
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username = "har"
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greeting = "shit"
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def my_function_with_args(username, greeting):
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print("Hello, %s , From My Function!, I wish you %s"%(username, greeting))
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my_function_with_args(username, greeting)
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def adding_two_strings(username, greeting):
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return username + greeting
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print(adding_two_strings(username, greeting))
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a = 2
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b = 3
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def sum_two_numbers(a, b):
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return a + b
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print(sum_two_numbers(a, b))
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#classes and object
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class Myclass:
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variable = "shit"
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def function(self):
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print("This mesage is inside the class.")
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objectx = Myclass()#Now the variable "objectx" holds an object of the class "MyClass" that contains the variable and the function defined within the class called "MyClass".
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print(objectx.variable)
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objectx.function()#calling a function from a class
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class MyClass:
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variable = "blah"
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def function(self):
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print("This is a message inside the class.")
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myobjectx = MyClass()
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myobjecty = MyClass()
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myobjecty.variable = "yackity"
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# Then print out both values
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print(myobjectx.variable)
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print(myobjecty.variable)
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# define the Vehicle class
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class Vehicle:
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name = ""
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kind = "car"
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color = ""
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value = 100.00
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def description(self):
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desc_str = "%s is a %s %s worth $%.2f." % (self.name, self.color, self.kind, self.value)
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return desc_str
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# your code goes here
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car1 = Vehicle()
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car1.name = "Fer"
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car1.color = "red"
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car1.kind = "convertible"
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car1.value = 60000.00
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car2 = Vehicle()
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car2.name = "Jump"
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car2.color = "blue"
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car2.kind = "van"
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car2.value = 10000.00
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# test code
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print(car1.description())
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print(car2.description())
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#modules
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#modules are python files with extension .py
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#Modules are imported from other modules using the "import" command.
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#packages
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#Each package in Python is a directory which MUST contain a special file called __init__.py.
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#If we create a directory called foo, which marks the package name, we can then create a module inside that package called bar.
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#import foo.bar
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#OR
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#from foo import bar

‎sumof2nums.py‎

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print("Adding two numbers")
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number1 = input("First number: ")
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number2 = input("Second number: ")
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sum = float(number1) + float(number2)
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print( 'the sum of {0} and {1} is:{2}' .format(number1, number2, sum))

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