我覺得沒必要判斷奇偶啊,直接num=0 每次加2就可以了。
num = 0
sum = 0
while True:
if num > 1000:
break
sum = sum + num
num = num + 2
print(sum)
num = 0
sum = 0
while True:
if num > 1000:
break
sum = sum + num
num = num + 2
print(sum)
2021-09-12
#..........
ab= ' {}'
b =ab.format('Life is short,you need python')
print(b)
N = 'Life is {0},you need {1}'
b2= N.format('short','python')
print(b2)
N2 ='Life is {w},you need {y}'
short ='short'
python ='pythin'
b3=N2.format(w=short,y=python)
print(b3)
ab= ' {}'
b =ab.format('Life is short,you need python')
print(b)
N = 'Life is {0},you need {1}'
b2= N.format('short','python')
print(b2)
N2 ='Life is {w},you need {y}'
short ='short'
python ='pythin'
b3=N2.format(w=short,y=python)
print(b3)
2021-09-10
moban='{a} {c},nhkv1sx5v02o {e} {f}.'
a1='Life'
b1='is'
c1='short'
d1='you'
e1='need'
f1='Python'
result=moban.format(a=a1,b=b1,c=c1,d=d1,e=e1,f=f1)
print(result)
a1='Life'
b1='is'
c1='short'
d1='you'
e1='need'
f1='Python'
result=moban.format(a=a1,b=b1,c=c1,d=d1,e=e1,f=f1)
print(result)
2021-09-09
num=0
L = ['Alice', 66, 'Bob', True, 'False', 100]
while num<=5:
num=num+1
if num%2==0:
continue
print(L[num])
L = ['Alice', 66, 'Bob', True, 'False', 100]
while num<=5:
num=num+1
if num%2==0:
continue
print(L[num])
2021-09-08
L=[75,92,59,68,99]
sum=0
for i in range(len(L)):
sum=L[i]+sum
print(sum/len(L))
sum=0
for i in range(len(L)):
sum=L[i]+sum
print(sum/len(L))
2021-09-08
L = [95.5, 85, 59, 66, 72]
a=0
b=0
c=0
for ch in L:
temp=ch
if ch>a :
a=temp
elif ch>b:
b=temp
elif ch>c:
c=temp
print(a,b,c)
a=0
b=0
c=0
for ch in L:
temp=ch
if ch>a :
a=temp
elif ch>b:
b=temp
elif ch>c:
c=temp
print(a,b,c)
2021-09-07
from itertools import permutations
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for ss1 in s1:
for ss2 in s2:
for ss3 in s3:
for s in permutations([ss1, ss2, ss3]):
print(''.join(s))
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for ss1 in s1:
for ss2 in s2:
for ss3 in s3:
for s in permutations([ss1, ss2, ss3]):
print(''.join(s))
2021-09-06
L = []
for n in range(1, 101):
L.append(n*n)
print(sum(L))
for n in range(1, 101):
L.append(n*n)
print(sum(L))
2021-09-06
num1=3.14
num2=1.57
result=num1*num2
print(round(result,2))
num2=1.57
result=num1*num2
print(round(result,2))
2021-09-05
i=0
b=[]
while i<=100:
i=i+1
a=i*i
b.append(a)
print(b)
print(sum(b))
b=[]
while i<=100:
i=i+1
a=i*i
b.append(a)
print(b)
print(sum(b))
2021-08-31
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.isdisjoint(s2))
for s in s1:
if s in s2:
print(s)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.isdisjoint(s2))
for s in s1:
if s in s2:
print(s)
2021-08-31
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for l in L:
if l in S:
S.remove(l)
else:
S.add(l)
print(S)
S = set([1, 3, 5, 7, 9, 11])
for l in L:
if l in S:
S.remove(l)
else:
S.add(l)
print(S)
2021-08-31
s=set([])
names = ['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s.add(name)
print(s)
names = ['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s.add(name)
print(s)
2021-08-31