#play 1
assign ='Life {0},you {1}.'
result= assign.format('is short','need Python')
print (result)
#play 2
assign ='Life {i},you {n}.'
is_short='is short'
need_Python='need Python'
result= assign.format(i=is_short,n=need_Python)
print (result)
assign ='Life {0},you {1}.'
result= assign.format('is short','need Python')
print (result)
#play 2
assign ='Life {i},you {n}.'
is_short='is short'
need_Python='need Python'
result= assign.format(i=is_short,n=need_Python)
print (result)
2021-10-28
a=3.14
b=1.57
num=a*b
print(round(num,2))
b=1.57
num=a*b
print(round(num,2))
2021-10-27
# Enter a code
L1=[1,2,3]
L2=[5,3,2]
L3=[7,3,2]
L=[L1,L2,L3]
s1=(L[0][0]*L[0][1]+L[0][0]*L[0][2]+L[0][1]*L[0][2])*2
s2=(L[1][0]*L[1][1]+L[1][0]*L[1][2]+L[1][1]*L[1][2])*2
s3=(L[2][0]*L[2][1]+L[2][0]*L[2][2]+L[2][1]*L[2][2])*2
print(s1,s2,s3)
L1=[1,2,3]
L2=[5,3,2]
L3=[7,3,2]
L=[L1,L2,L3]
s1=(L[0][0]*L[0][1]+L[0][0]*L[0][2]+L[0][1]*L[0][2])*2
s2=(L[1][0]*L[1][1]+L[1][0]*L[1][2]+L[1][1]*L[1][2])*2
s3=(L[2][0]*L[2][1]+L[2][0]*L[2][2]+L[2][1]*L[2][2])*2
print(s1,s2,s3)
2021-10-27
s ='Life {w},you {e}'
d=s.format(w='is short',e='need python.')
print(d)
d=s.format(w='is short',e='need python.')
print(d)
2021-10-25
L = ['Alice', 66, 'Bob', True, 'False', 100]
b = 0
for a in L:
if b % 2 == 0:
print(a)
b = b + 1
b = 0
for a in L:
if b % 2 == 0:
print(a)
b = b + 1
2021-10-06
def func(L):
if isinstance(L,list):
sum=1
for ch in L:
sum+=ch
print(sum)
if isinstance(L,tuple):
sum=1
for ch in L:
sum*=ch
print(sum)
L1=[1,2,3]
L2=(1,2,3)
func(L1)
func(L2)
if isinstance(L,list):
sum=1
for ch in L:
sum+=ch
print(sum)
if isinstance(L,tuple):
sum=1
for ch in L:
sum*=ch
print(sum)
L1=[1,2,3]
L2=(1,2,3)
func(L1)
func(L2)
2021-10-05
def sum(i):
if i==1:
return 1
return i+sum(i-1)
print(sum(100))
if i==1:
return 1
return i+sum(i-1)
print(sum(100))
2021-10-05
def sub_sum(l):
sum1=0
sum2=0
for a in l:
if a % 2 ==0:
sum1+=a
else:
sum2+=a
return sum1,sum2
l=[1, 4, 5, 7, 9, 11]
result=sub_sum(l)
print('偶數(shù)項(xiàng)和={}'.format(result[0]))
print('奇數(shù)項(xiàng)和={}'.format(result[1]))
sum1=0
sum2=0
for a in l:
if a % 2 ==0:
sum1+=a
else:
sum2+=a
return sum1,sum2
l=[1, 4, 5, 7, 9, 11]
result=sub_sum(l)
print('偶數(shù)項(xiàng)和={}'.format(result[0]))
print('奇數(shù)項(xiàng)和={}'.format(result[1]))
2021-10-05
把答案這串代碼復(fù)制到python里面運(yùn)行,結(jié)果顯示Invalid syntax
2021-10-04
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
print("請(qǐng)輸入你要查詢的名字")
name=input()
name=name.title()
print(name in name_set)
name_set = set(names)
print("請(qǐng)輸入你要查詢的名字")
name=input()
name=name.title()
print(name in name_set)
2021-10-04
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print("請(qǐng)輸入你想要?jiǎng)h除的名字")
name=input()
grade=d.get(name)
if grade!=None:
d.pop(name)
print("刪除成功,剩余為\n")
print(d)
else:
print("刪除失敗,此人不存在")
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print("請(qǐng)輸入你想要?jiǎng)h除的名字")
name=input()
grade=d.get(name)
if grade!=None:
d.pop(name)
print("刪除成功,剩余為\n")
print(d)
else:
print("刪除失敗,此人不存在")
2021-10-04
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
for i in names:
lowername = i.lower()
names.append(lowername)
if len(names) == 10:
break
print(names)
name_set = set(names)
k = input()
if k in name_set:
print("True")
else:
print("False")
for i in names:
lowername = i.lower()
names.append(lowername)
if len(names) == 10:
break
print(names)
name_set = set(names)
k = input()
if k in name_set:
print("True")
else:
print("False")
2021-10-03
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
OldScore = d.get('Alice')
if(OldScore != None):
print(OldScore)
d['Alice'] = 60
print(d)
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
OldScore = d.get('Alice')
if(OldScore != None):
print(OldScore)
d['Alice'] = 60
print(d)
2021-09-30