最新回答 / hermaniu
Python 3的版本中已经没有 cmp 函数，如果你需要实现比较功能，需要引入 operator 模块，适合任何对象，包含的方法有：
operator.lt(a, b)operator.le(a, b)operator.eq(a, b)operator.ne(a, b)operator.ge(a, b)operator.gt(a, b)
2021-11-10
# coding:utf-8
age = 75
if age<3:
print('你是婴儿, 年龄为{}岁。'.format(age))
elif age<6:
print('你是小孩子, 年龄为{}岁。'.format(age))
elif age<18:
print('你是青少年, 年龄为{}岁。'.format(age))
else:
print('你为成年, 年龄为{}岁。'.format(age))
age = 75
if age<3:
print('你是婴儿, 年龄为{}岁。'.format(age))
elif age<6:
print('你是小孩子, 年龄为{}岁。'.format(age))
elif age<18:
print('你是青少年, 年龄为{}岁。'.format(age))
else:
print('你为成年, 年龄为{}岁。'.format(age))
2021-11-09
# coding:utf-8
age = 17
if age>=18:
print('咚咚呛年龄是{}'.format(age)+'岁，你已成年！')
else:
print('咚咚呛年龄是{}'.format(age)+'岁，你未成年！')
age = 17
if age>=18:
print('咚咚呛年龄是{}'.format(age)+'岁，你已成年！')
else:
print('咚咚呛年龄是{}'.format(age)+'岁，你未成年！')
2021-11-09
L = [[1, 2, 3], [5, 3, 2], [7, 3, 2]]
# print(len(L))
for i in range(0, len(L)):
sum = 1
sum = (L[i][0]*L[i][1] + L[i][0]*L[i][2] + L[i][1]*L[i][2]) * 2
print("di {0} ge chang fang xing biao mian ji shi {1}".format(i, sum))
# print(len(L))
for i in range(0, len(L)):
sum = 1
sum = (L[i][0]*L[i][1] + L[i][0]*L[i][2] + L[i][1]*L[i][2]) * 2
print("di {0} ge chang fang xing biao mian ji shi {1}".format(i, sum))
2021-11-09
L = ['Alice', 66, 'Bob', True, 'False', 100]
i = 0
for item in L:
i += 1
if i%2 != 0:
print(L[i])
i = 0
for item in L:
i += 1
if i%2 != 0:
print(L[i])
2021-11-09
sum = 0
num = 0
while num < 1000:
num += 1
if (num % 2) != 0:
continue
sum += num
print("sum = ", sum)
num = 0
while num < 1000:
num += 1
if (num % 2) != 0:
continue
sum += num
print("sum = ", sum)
2021-11-09
d = {'Alice': [50, 61, 66],
'Bob': [80, 61, 66],
'Candy': [88, 75, 90]}
for key in d:
i = 1
for index in d[key]:
print("{}的第{}次的score={}".format(key, i, index))
i = i + 1
'Bob': [80, 61, 66],
'Candy': [88, 75, 90]}
for key in d:
i = 1
for index in d[key]:
print("{}的第{}次的score={}".format(key, i, index))
i = i + 1
2021-11-09
# coding=utf-8
name=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
new_name=[]
for i in name:
new_name.append(name)
print(new_name)
name=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
new_name=[]
for i in name:
new_name.append(name)
print(new_name)
2021-11-06
L = [75, 92, 59, 68, 99]
sum = 0
for i in L:
sum = sum + i
print(sum)
print(sum/len(L))
sum = 0
for i in L:
sum = sum + i
print(sum)
print(sum/len(L))
2021-11-05
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
d2={'Gaven':86}
d.update(d2)
print d
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
d2={'Gaven':86}
d.update(d2)
print d
2021-11-04
L=['Alice', 66, 'Bob', True, 'False',100]
i=0
while i <len(L):
if i%2 !=0:
print L[i]
i=i+1
i=0
while i <len(L):
if i%2 !=0:
print L[i]
i=i+1
2021-11-04