ge = 19
if age > 18:
print('adult',age)
print ('ddq = {}'.format (age))
print ('adult')
if age > 18:
print('adult',age)
print ('ddq = {}'.format (age))
print ('adult')
2020-11-05
template = 'life is {0}, you need {1},'
result = template.format('short', 'python')
print(result)
template = 'life is {s}, you need {p}, '
s = 'short'
p = 'python'
result = template.format(s ='short', p = 'python')
print (result)
result = template.format('short', 'python')
print(result)
template = 'life is {s}, you need {p}, '
s = 'short'
p = 'python'
result = template.format(s ='short', p = 'python')
print (result)
2020-11-04
# Enter a code
template = 'life is short, {}'
Y = 'you need python'
result = template.format(Y)
print(result)
template = 'life is short, {}'
Y = 'you need python'
result = template.format(Y)
print(result)
2020-11-04
#for循环序写法
def sum100(s):
num = 0
for a in range(1,s+1):
num+= a
return num
print (sum100(5))
def sum100(s):
num = 0
for a in range(1,s+1):
num+= a
return num
print (sum100(5))
2020-11-04
# Enter a code
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
num = 0
for t in T:
if isinstance(t,tuple):
num += 1
print(num)
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
num = 0
for t in T:
if isinstance(t,tuple):
num += 1
print(num)
2020-11-04
T = (100, 69, 29, 100, 72, 99, 98, 100, 75, 100, 100, 42, 88, 100)
print(T.count(100))
print(T.count(100))
2020-11-04
# Enter a code
num1 = 3.14
num2 = 1.57
result = num1 * num2 * 2
print(result) # ==>
num1 = 3.14
num2 = 1.57
result = num1 * num2 * 2
print(result) # ==>
2020-11-03
# Enter a code
n=0
s=0
while True:
n+=1
if n>1000:
break
if n%2==1:
continue
s+=n
print s
n=0
s=0
while True:
n+=1
if n>1000:
break
if n%2==1:
continue
s+=n
print s
2020-11-02
n=0
s=0
print n
while True:
if n>1000:
break
elif n%2==0:
s+=n
n+=1
print s
s=0
print n
while True:
if n>1000:
break
elif n%2==0:
s+=n
n+=1
print s
2020-11-02
i = 0
sum = 0
while True:
if i <= 1000:
sum += i
i += 2
else:
break
print(sum)
sum = 0
while True:
if i <= 1000:
sum += i
i += 2
else:
break
print(sum)
2020-10-29
本身set中的元素就不可以重复,S. update(L) print(S)出来的就是重复的是删除的,不重复的添加到了set中。L是list 删除元素是pop(),不能用rwmove
2020-10-28