0x00 ASCII转换
def asc():
temp = int(input("ASCII转字符请按1,字符转ASCII请按2:"))
if temp == 1:
a = int(input("请输入一个ASCII码:"))
print(a,"对应的字符为",chr(a))
elif temp ==2:
c = input("请输入一个字符:")
print(c,"对应的字符为:",ord(c))
else:
print("输入有误,请输入1或2进行选择!")
global flag
flag = 1
flag = 1
while flag == 1:
try:
flag = 0
asc()
except (ValueError,TypeError):
print("输入有误,请检查输入!")
0x01 最大公约数
一般算法:
while True:
try:
num1 = int(input("请输入第一个数:"))
num2 = int(input("请输入第二个数:"))
for i in range(1,min(num1,num2)+1):
if (num1 % i == 0) & (num2 % i == 0):
divisor = i
print(num1,"和",num2,"的最大公约数是:",divisor)
break
except ValueError:
print("输入有误,请检查输入!")
辗转相除法:
def find_GCD(x,y):
temp = y
while (x % y) != 0:
temp = x % y
x,y = y,temp
return temp
n1 = int(input("请输入第一个数字:"))
n2 = int(input("请输入第二个数字:"))
print(n1,"和",n2,"的最大公约数是:",find_GCD(n1,n2))
0x02 最小公倍数
0x03 简易计算器
def add(x,y):
return x + y
def subtract(x,y):
return x - y
def multiply(x,y):
return x * y
def divide(x,y):
return x / y
def str():
global n1
global n2
n1 = int(input("请输入第一个数:"))
n2 = int(input("请输入第二个数:"))
#循环标志位flag置1
flag = 1
while flag == 1:
try:
#正常运行flag置0跳出循环
flag = 0
temp = int(input("相加请按1,相减请按2\n相乘请按3,相除请按4\n"))
if temp == 1:
str()
print(n1,"+",n2,"=",add(n1,n2))
elif temp == 2:
str()
print(n1,"-",n2,"=",subtract(n1,n2))
elif temp == 3:
str()
print(n1,"*",n2,"=",multiply(n1,n2))
elif temp == 4:
str()
print(n1,"/",n2,"=",divide(n1,n2))
else:
print("输入有误,请输入1、2、3、4进行选择!")
#异常时flag置1,继续循环
flag = 1
except ValueError:
print("输入有误,请检查输入!")
flag = 1
0x04 生成日历
import calendar
#设置星期天为首
calendar.setfirstweekday(firstweekday=6)
while True:
try:
y = int(input("请输入年份:"))
m = int(input("请输入月份:"))
print(calendar.month(y,m))
break
except ValueError:
print("输入错误!")
0x05 文件IO
with open("test.txt", "w") as out_file:
out_file.write("该文本会写入文件中!")
with open("test.txt", "r") as in_file:
text = in_file.read()
print(text)
0x06 大小写转换
def upper(str):
print("所有字符转为大写:",str.upper())
def lower(str):
print("所有字符转为小写:",str.lower())
def cap(str):
print("首字母大写,其余小写:",str.capitalize())
def title(str):
print("每个单词首字母大写,其余小写:",str.title())
str = input("请输入要转换的字符串:")
upper(str)
lower(str)
cap(str)
title(str)
0x07 字符串判断
str = input("请输入要判断的字符串:")
print(str.isalnum()) # 判断所有字符都是数字或者字母
print(str.isalpha()) # 判断所有字符都是字母
print(str.isdigit()) # 判断所有字符都是数字
print(str.islower()) # 判断所有字符都是小写
print(str.isupper()) # 判断所有字符都是大写
print(str.istitle()) # 判断所有单词都是首字母大写,像标题
print(str.isspace()) # 判断所有字符都是空白字符、\t、\n、\r
0x08 指定月份天数
import calendar
year = int(input("请输入年份:"))
month = int(input("请输入月份:"))
monthRange = calendar.monthrange(year,month)
print("该月有{}天" .format(monthRange[1]))
0x09 昨日日期
import datetime
def getYesterday():
today = datetime.date.today()
oneday = datetime.timedelta(days=1)
yesterday = today - oneday
return yesterday
print(getYesterday())