判断语句（练习题）

代码示例

19set1 = "1\t3\t5\t7\n" \"9\t11\t13\t15\n" \"17\t19\t21\t23\n" \"25\t27\t29\t31\n"
set2 = "2\t3\t6\t7\n" \"10\t11\t14\t15\n" \"18\t19\t22\t23\n" \"26\t27\t30\t31\n"
set3 = "4\t5\t6\t7\n" \"12\t13\t14\t15\n" \"20\t21\t22\t23\n" \"28\t29\t30\t31\n"
set4 = "8\t9\t10\t11\n" \"12\t13\t14\t15\n" \"24\t25\t26\t27\n" \"28\t29\t30\t31\n"
set5 = "16\t17\t18\t19\n" \"20\t21\t22\t23\n" \"24\t25\t26\t27\n" \"28\t29\t30\t31\n"
A = str(input("请问你的生日在set1中吗（T or F）："))
print(set1)
if A == "T":a = 1
else: a = 0
B = str(input("请问你的生日在set2中吗（T or F）："))
print(set2)
if B == "T":b = 2
else: b = 0
C = str(input("请问你的生日在set3中吗（T or F）："))
print(set3)
if C == "T":c = 4
else: c = 0
D = str(input("请问你的生日在set4中吗（T or F）："))
print(set4)
if D == "T":d =8 
else: d = 0
E = str(input("请问你的生日在set5中吗（T or F）："))
print(set5)
if E == "T":e = 16
else: e = 0
print("你的生日是：%s"%(a + b+c+d+e))

代码运行展示：

a =int(input("输入你的体重(磅)"))
b =int(input("输入你的身高(英寸)"))
c = a * 0.45359237
d = b * 0.0254
BMI = c/(d**2)
if BMI < 18.5:print("超轻")elif 18.5<= BMI < 25.0:print("标准")elif 25.0<= BMI < 30.0:print("超重")elif 30.0<= BMI :print("痴肥")

代码运行展示：

代码展示

a = int(input("请输入年份："))
b = a % 4 == 0 and a % 100 != 0
c = a % 400 ==0
if b or c:print("闰年")
else :print("平年")

代码运行展示P:

代码展示：

import random
com = random.randint(10,99)
people = int(input("请输入你的彩票号码(10---99)："))
if com // 10 == people // 10 and com % 10 == people % 10:print("恭喜你获得10000美金")
if com // 10 == people % 10 and com % 10 == people // 10:print("恭喜你获得3000美金")
if com // 10 == people // 10 or com // 10 == people % 10 or com % 10 == people % 10 or com % 10 == people // 10 :print("恭喜你获得1000美金")
else:print("谢谢惠顾")

代码运行展示：

代码展示：

a,b,c = map(float,input("请输入a,b,c的值：").split())
Q =  (b ** 2) - (4 * a * c)
if Q > 0:X1 = (-b +Q ** 0.5) / (2*a)X2 = (-b -Q ** 0.5) / (2*a)print("X1 = %f,  X2 = %f"%(X1,X2))
elif  Q == 0:X = (-b -Q ** 0.5) / (2*a)print("X = %f"%(X))
else:print("no real roots")

代码运行展示：

代码展示：

a,b,c,d,e,f = map(float,input("请输入a,b,c,d,e,f的值：").split())
if (a * b) -(b * c) != 0:x = ((e * d) - (b * f)) / ((a * d) - (b * c))y = ((a * f) - (e * c)) / ((a * d) - (b * c))print("X =%f,Y=%f"%(x,y))
else:print("no solution")

代码运行展示：