马哥博客作业第一周（作业）

#作业1
a = 1
b = 1
while a < 10:
    if a > b:
        c = a * b
        d = f'{a}x{b}={c}'
        print (d,end = ';\t')
        b += 1
    elif a == b:
        c = a * b
        d = f'{a}x{b}={c}'
        print (d,end = ';\n')
        a += 1
        b = 1

#作业2
for i in range (1, 4):
    e = 'admin'
    f = '19216311'
    print ('用户名',end = '\t ')
    g = input ()
    print ('密码',end = '\t ')
    h = input ()
    if (g == e) & (h == f):
        print ('登陆成功！')
        break
    else:
        print ('用户名或密码错误')
        continue

#作业3
print ('   *')
print ('  ***')
print (' *****')
print ('*******')
print (' *****')
print ('  ***')
print ('   *')

#作业4
i = 0
j = 1
while (j < 100):
    print (j)
    k = j
    j += i
    i = k

#作业5
l = 0
m = 1
for count in range (1,102):
    n = m
    m += l
    l = n
print (count,m)

#作业6
print ('1\t  2',end = '\t  ')
for o in range (1,100000,2):
    for q in range (2, o):
        if (o % q) == 0:
            break
        if q == o - 1:
            print (f'{o}', end = '\t  ')