python day4,variable types,print formats

 variable

=====================
1.a,b,c,d------allowed
2. total,subtotal,grandtotal-----allowed
3.total1,key1,key2354 -----allowed
4.grand_total,coaching_center, cinema_theatre,s_s_rajamouli,SSRajamouli,CinemaTheatre---allowed
5.ca$h---not allowed
6._mode---allowed
7._ab_abc_abcd---allowed

sep in print:
===============
print("this is praveen","this is testing",sep="------")

output:
this is praveen------this is testing

format in print
==================
print("My name is {firstname}, I'm {age}".format(firstname = "praveen", age = 36))
print("My name is {0}, I'm {1},totals {2}".format("praveen",36,24.56))
print("My name is {0}, I'm {1},totals {total}".format("praveen",36,total=24.56))



if and else:
========================
condition true if statements prints
condition false then else statement prints

a=0
if a==1:
    print("we will go movies")
else :
    print("indendation is also working fine")

print("second friend sit in home")


ex2:
a="test"
if a=="test":
    print("this is if loop")
    print("we will go movies")
    print("we will go movies")
    print("we will go movies")
else :
    print("this is else loop")

print("second friend sit in home")

example3:
a=4
budget=1
alcohal=1
beach=2
if a==4:
    if budget==1:
        if alcohal==1:
            print("we will drink")

            if beach==1:
                print("beach is empty")
            else:
                print("beach is very busy")

        else:
            print
    else:
        print("no goa sorry")

else :
    print("this is else loop")

print("second friend sit in home")

Multiple data bases support in SQLITE3

 DATABASES = {

    'default': {
        'ENGINE': 'django.db.backends.sqlite3', 
        'NAME': os.path.join(DIR, 'django.sqlite3'),
        'USER': '',
        'PASSWORD': '',
        'HOST': '',
        'PORT': '',
    },
    'anil': { # this is our sample db, already created
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(DIR, 'anil_Sqlite.sqlite'),
        'USER': '',
        'PASSWORD': '',
        'HOST': '',
        'PORT': '',
    }
}