python的while循环和for循环的练习

num = 0
i = 1
while i < 101:
    num += i
    i += 1
print(num)

n = 65
while n <= 90:
    l = chr(n)
    n += 1
    print(l, end=' ')
'''

i = 1
while i <= 10:
    n = input("请输入一个字符：")
    if 65 <= ord(n) <97:
        print(chr(ord(n) + 32))
    elif 97 <= ord(n) <= 122:
        print(chr(ord(n)-32))
    else:
        print(n)
    i += 1

m = int(input("请输入整数:"))
n = 0
while m:
    m, last = divmod(m, 10)
    n = n * 10 + last
print(n,type(n))

n = int(input("请输入："))
m = ''
while n:
    n, last = divmod(n, 10)
    l = chr(last+ord('0'))
    m = l + m
print(m,end='')

n = str(input("请输入："))
m = 0
for i in n:
    l = ord(i)-ord('0')
    m = m*10+l
print(m,type(m))

lt = [
   {'name':'小王', 'age':18, 'info':[('phone', '123'), ('dizhi', '广州')]},
    {'name':'小芳', 'age':19, 'info':[('phone', '789'), ('dizhi', '深圳')]},
    {'name':'小杜', 'age':22, 'info':[('phone', '567'), ('dizhi', '北京')]},
    {'name':'小孟', 'age':28, 'info':[('phone', '000'), ('dizhi', '上海')]},
    {'name':'小乔', 'age':26, 'info':[('phone', '111'), ('dizhi', '河南')]},
]
'''
'''
lt = [
   {'name':'小王', 'age':18, 'info':[('phone', '123'), ('dizhi', '广州')]},
    {'name':'小芳', 'age':19, 'info':[('phone', '789'), ('dizhi', '深圳')]},
    {'name':'小杜', 'age':22, 'info':[('phone', '567'), ('dizhi', '北京')]},
    {'name':'小孟', 'age':28, 'info':[('phone', '000'), ('dizhi', '上海')]},
    {'name':'小乔', 'age':26, 'info':[('phone', '111'), ('dizhi', '河南')]},
]
for k in lt:
    print('我叫{}，今年{}岁，家住{}，电话{}\n'.format
    (k['name'],k['age'],k['info'][1][1],k['info'][0][1]),end='')

for i in range(1,10):
    for j in range(1,i+1):
        print('{}*{}={}\t'.format(i,j,i*j),end='')
    print()

# 如：2,5，打印如下图形：
# 1 2 3 4 5
# 6 7 8 9 10 
m = int(input("请输入一个整数："))
n = int(input("请再输入一个整数："))
for i in range(m):
    for j in range(n):
        print(i * n +(j+1), end=' ')
    print()