Practise

PasswordChecker.py

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+name = input("what is your name ?")
+password =input("what is your password???")
+
+password_lenght=len(password)
+print(type(password_lenght))
+
+star_password ="*" *password_lenght
+print(star_password)
+
+print(f'hello {name}  , your password is {star_password} , it has {password_lenght} letters long'  )

Practise.py

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+print('pasindu')
+print('hello world')
+
+
+name = input('whts is your name ?')
+
+print(name)
+print(type(2+4))
+print(type(2-4))
+print(type(2*4))
+print(type(2%4))
+print(type(2/4)) #0.5 float number
+print(9.9+1.1)
+print(type(9.9+1.1))
+
+print(2**4)
+
+print(16//2)
+
+
+#MATH FUNCTIONS
+
+print(round(3.1))
+print(abs(-3.1))
+
+#operator presendence
+
+print(20-3*4)
+print(bin(100))
+
+#this is the way to convert 
+print(int('0b1100100',2))
+
+iq= 190
+
+user_age =iq/4
+
+print(user_age)
+
+#constats - write in capital letters
+PI = 3.14
+
+
+a,b,c =1,2,3
+
+print(a)
+print(b)
+print(c)

Strings.py

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+print(("hi hello there"))
+print(type("hi hello there"))
+
+#we can  use three single qutes for long string like paragraphs or essays
+long_string = '''
+
+wooow
+
+open
+
+qwwe
+'''
+print(long_string)
+
+
+first_name = 'pasindu'
+last_name = 'thiwanka'
+
+full_name = first_name+" "+last_name
+
+print(full_name)
+
+
+#string concatanation
+
+print ('hello' +'pasindu')
+
+
+print(type(str(100)))
+#type Conversion
+a =str(100)
+b=int(a)
+c=type(b)
+print(c)
+
+#Escape SEquence
+
+weather = "it\'s a \"kind of\" sunny day "
+
+print(weather)
+
+
+#Formated Strings
+
+name ='pasindu'
+age = 24
+print('hi '+name+' your age is '+str(age))
+
+#we can create formated string in adding f in the start  
+#this is a feature in python 3 
+print(f'hi {name} . your {age} years old .')
+
+word ="hello world"
+
+print(word[0])
+print(word[6])
+print(word)
+
+#[start:stop:stepover]
+print(word[3:7])
+print(word[0:11])
+print(word[0:11:2])
+
+#start from the beginig and go till the end of the array
+print(word[0:])
+
+#start from the beginig and go untill the desired point
+
+print(word[:6])
+
+#go from the step over
+
+print(word[::2])
+
+#we can use negative values to get the values from the end
+
+print(word[-1])
+
+#reverse the order of the string
+
+print(word[::-1])
+
+#we cannot reasign the part of the string
+
+name ='pasindu'
+
+#name[2] = 'b'
+#we should declare the whole string
+
+name ='thiwanka'
+print(name)
+
+#length function
+
+greet ="good Morning!"
+
+print(len(greet))
+print(greet[:len(greet)])
+
+#string methods
+
+quote= "welcome to the python programming"
+#conver all to the upper case
+print(quote.upper())
+
+#this will set the first letter captial letter
+print(quote.capitalize())
+
+#find the first occurence
+print(quote.find("to"))
+
+
+
+
+