ar_fn_1.py

def check_c(a,b,c):                             
    for i in range(3):
        if a[i]==b[i]==c[i]:
            print a[i]," is winner"
            return 1
            break

def check_r(a,b,c):                         
    for i in range(1):
        if a[i]==a[i+1]==a[i+2]:                
            print a[i]," is winner"
            return 1
            break
        elif b[i]==b[i+1]==b[i+2]:              
            print b[i]," is winner"
            return 1
            break
        elif c[i]==c[i+1]==c[i+2]:              
            print c[i]," is winner"
            return 1
            break

def check_d(a,b,c):                             
    for i in range(1):
        if a[i]==b[i+1]==c[i+2]:                
            print a[i]," is winner"
            return 1
            break
        elif c[i]==b[i+1]==a[i+2]:              
            print c[i]," is winner"
            return 1
            break