age = 5
if age>=18:
print('adult')
elif age<3:
print('baby')
elif age<=6:
print('kid')
else:
print('teenager')
if age>=18:
print('adult')
elif age<3:
print('baby')
elif age<=6:
print('kid')
else:
print('teenager')
2022-01-05
#break跳出循环3:1000以内偶数之和
num=0
sum=0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 2
print(sum)
num=0
sum=0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 2
print(sum)
2022-01-02
L = [75, 92, 59, 68, 99]
sum=0.00
for i in L:
sum = sum + i
print('{:.2f}'.format(sum/5))
sum=0.00
for i in L:
sum = sum + i
print('{:.2f}'.format(sum/5))
2022-01-02
age=eval(input("请输入年龄:"))
if age > 18:
print('adult')
else:
print('teenager')
if age > 18:
print('adult')
else:
print('teenager')
2022-01-02
L = [[1,2,3],[5,3,2],[7,3,2]]
i = 0
j = 0
S = [0,0,0]
while i <= 2:
S[i]=2*(L[i][j]*L[i][j+1]+L[i][j]*L[i][j+2]+L[i][j+1]*L[i][j+2])
i = i + 1
print(S)
i = 0
j = 0
S = [0,0,0]
while i <= 2:
S[i]=2*(L[i][j]*L[i][j+1]+L[i][j]*L[i][j+2]+L[i][j+1]*L[i][j+2])
i = i + 1
print(S)
2021-12-18
L = [75, 92, 59, 68, 99]
sum = 0
for ch in L:
sum += ch
print(sum)
sum = 0
for ch in L:
sum += ch
print(sum)
2021-12-17
# coding: utf-8
score = 18
if score < 18:
if score >= 6:
print("青年")
else:
if score >= 3:
print("小孩子")
elif score == 18:
print("成年")
else:
print("大人")
score = 18
if score < 18:
if score >= 6:
print("青年")
else:
if score >= 3:
print("小孩子")
elif score == 18:
print("成年")
else:
print("大人")
2021-12-17
讨论一下思路:
T = (1, 'CH', [3, 4])
tuple里面包含list,导致tuple是可变的,请修改T的定义,不改变基本数据类型的数据,使T是不可变的。
关于题干
目的:使其数据类型的数据不可变
拆分:那些数据是可变的?如何变成不可变的?
结果:列表中3,4是可变的,将其改为元组的形式即可
代码实现:自己来吧。
T = (1, 'CH', [3, 4])
tuple里面包含list,导致tuple是可变的,请修改T的定义,不改变基本数据类型的数据,使T是不可变的。
关于题干
目的:使其数据类型的数据不可变
拆分:那些数据是可变的?如何变成不可变的?
结果:列表中3,4是可变的,将其改为元组的形式即可
代码实现:自己来吧。
2021-12-15
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
for i in T:
print(i)
3
for i in T:
print(i)
3
2021-12-15
sum = 1
num = 1
while num <=10:
sum=sum*num
num=num+1
print(sum)
num = 1
while num <=10:
sum=sum*num
num=num+1
print(sum)
2021-12-10
L = [75, 92, 59, 68, 99]
sum = 0.0
for a in L:
sum=sum+a
print(sum/len(L))
sum = 0.0
for a in L:
sum=sum+a
print(sum/len(L))
2021-12-10