d= {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49,
'Gaven': 86
}
print(d)
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49,
'Gaven': 86
}
print(d)
2021-01-16
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
print(T)
运行成功
(3, (3,), 'ab', (1,), (1, 2, 3, 4, 5))
结果是5个
print(T)
运行成功
(3, (3,), 'ab', (1,), (1, 2, 3, 4, 5))
结果是5个
2021-01-15
T = (100, 69, 29, 100, 72, 99, 98, 100, 75, 100, 100,42,88,100)
print(T.count(100))
print(T.count(100))
2021-01-14
T = ('0', '1', '2', '3', '4','5','6','7','8','9')
print(T)
L=list(T)
print(L)
print(T)
L=list(T)
print(L)
2021-01-14
L=['Alice','Bob','Candy','David','Ellena']
L[0]='Ellena'
L[1]='Alice'
L[2]='Candy'
L[3]='David'
L[4]='Bob'
print(L)
L[0]='Ellena'
L[1]='Alice'
L[2]='Candy'
L[3]='David'
L[4]='Bob'
print(L)
2021-01-14
L=['Alice','Bob','Candy','David','Ellena']
L.pop(2)
L.pop(2)
print(L)
L.pop(2)
L.pop(2)
print(L)
2021-01-14
# Enter a code
s1="ABC"
s2="123"
s3="xyz"
for a in s1:
for b in s2:
for c in s3:
print(a+b+c)
print(a+c+b)
print(b+a+c)
print(b+c+a)
print(c+a+b)
print(c+b+a)
s1="ABC"
s2="123"
s3="xyz"
for a in s1:
for b in s2:
for c in s3:
print(a+b+c)
print(a+c+b)
print(b+a+c)
print(b+c+a)
print(c+a+b)
print(c+b+a)
2021-01-14
names=['Alice','Bob','Candy','David','Ellena']
names.insert(5,'Gen')
names.insert(6,'Phoebe')
names.append('Zero')
print(names)
names.insert(5,'Gen')
names.insert(6,'Phoebe')
names.append('Zero')
print(names)
2021-01-14
n=['95.5','85','59','66','72']
print(n[-5])
print(n[-4])
print(n[-1])
print(n[-5])
print(n[-4])
print(n[-1])
2021-01-14
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
s = d.get('Alice') #先获取原来的成绩赋值给变量s
d['Alice'] = 60 #更新成绩
print('Alice的原成绩：{}'.format(s),'\nAlice的现成绩：{}'.format(d.get('Alice')))
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
s = d.get('Alice') #先获取原来的成绩赋值给变量s
d['Alice'] = 60 #更新成绩
print('Alice的原成绩：{}'.format(s),'\nAlice的现成绩：{}'.format(d.get('Alice')))
2021-01-14
