6_condition

a = [1,2,12,4,5,6]
summ = 0
for a1 in a:
    if a1==12:
        a1 = 0
        # print(a.index(a1))    # find the index number
    summ+=a1

print(summ)
print('\n\n')
print('simple condition:\n')
mail = 'abc@gmail.com.bd'
passs = True
if mail == 'abc@gmail.com.bd' and passs:
    print('success')
elif mail == 'abc@gmail.com.bd' or passs:
    print('mail or password required')
else:
    print('error')

print('\n\nobject: \n\n')

x = [2, 4, 5, 6]
y = [2, 4, 5, 6]

print(x == y)  # list x and y is same
print(x is y)  # x & y is different object
print('id of x: ' + str(id(x)) + ' & id of y ' + str(id(y)))  # id of x & y
x = y
print(x is y)  # x & y is same object
print('id of x: ' + str(id(x)) + ' & id of y ' + str(id(y)))  # id of x & y is same

s = mail.split('.')  # first split the mail according to '.'
s2=[]                # empty array
for s1 in s:
    if s1=='bd':
        s.remove(s1)  # remove the 'bd' from s list
        s2 = s  # assing into new list

con = ''
for s3 in s2:
    # print(s3)
    con +=s3+','
print(con[:-1])        # remove the last char ','