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
num = 1
sum = 1
while num <= 10:
sum = sum * num
num = num + 1
print(sum)
sum = 1
while num <= 10:
sum = sum * num
num = num + 1
print(sum)
2021-01-13
startnum = 1
endnum = 10
num = 1
while startnum < endnum:
num = num * (startnum + 1)
startnum = startnum + 1
print(num)
endnum = 10
num = 1
while startnum < endnum:
num = num * (startnum + 1)
startnum = startnum + 1
print(num)
2021-01-13
n=0
L=['Alice','66','Bob',True,'False',100]
for item in L:
n=n+1
if n%2!=0:
continue
print(item)
L=['Alice','66','Bob',True,'False',100]
for item in L:
n=n+1
if n%2!=0:
continue
print(item)
2021-01-13
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
list = list(d)
for i in list:
print(d.get(i))
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
list = list(d)
for i in list:
print(d.get(i))
2021-01-13
num=0
sum=0
while num <= 1000:
num = num + 1
if num % 2 == 1:
continue
sum = sum + num
print(sum)
sum=0
while num <= 1000:
num = num + 1
if num % 2 == 1:
continue
sum = sum + num
print(sum)
2021-01-12