print(r'''"To be, or not to be": that is the question.
Whether it's nobler in the mind to suffer.''')
Whether it's nobler in the mind to suffer.''')
2023-11-04
在计算a and b时,如果 a 是 False,则根据与运算法则,整个结果必定为 False,因此返回 a;如果 a 是 True,则整个计算结果必定取决与 b,因此返回 b。
在计算a or b时,如果 a 是 True,则根据或运算法则,整个计算结果必定为 True,因此返回 a;如果 a 是 False,则整个计算结果必定取决于 b,因此返回 b。
在计算a or b时,如果 a 是 True,则根据或运算法则,整个计算结果必定为 True,因此返回 a;如果 a 是 False,则整个计算结果必定取决于 b,因此返回 b。
2023-11-04
def greet(x='World'):
if x == 'World':
print('Hello World')
else:
print('Hello1,{}'.format(x))
greet('Hello')
greet()
if x == 'World':
print('Hello World')
else:
print('Hello1,{}'.format(x))
greet('Hello')
greet()
2023-10-29
def func(L):
sum = 1
if isinstance(L,tuple):
for LL in L:
sum = LL + sum
return sum
if isinstance(L,list):
for LL in L:
sum = LL * sum
return sum
else:
print('None')
L = [1,2,3,4]
print(func(L))
sum = 1
if isinstance(L,tuple):
for LL in L:
sum = LL + sum
return sum
if isinstance(L,list):
for LL in L:
sum = LL * sum
return sum
else:
print('None')
L = [1,2,3,4]
print(func(L))
2023-10-29
def sum1(L):
sum = 0
for num in range(L):
sum += num
print(sum)
L = 101
L = sum1(L)
def sum2(n):
if n == 1:
return 1
return n +sum2(n - 1)
n = 100
print(sum2(n))
sum = 0
for num in range(L):
sum += num
print(sum)
L = 101
L = sum1(L)
def sum2(n):
if n == 1:
return 1
return n +sum2(n - 1)
n = 100
print(sum2(n))
2023-10-29
def sub_sum(L):
sum = 0
sum1 = 0
for LL in L:
if LL%2 == 0:
sum = LL +sum
else:
sum1 = LL + sum1
return sum,sum1
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
num, num1 = sub_sum(L)
print('偶数求和 = {}'.format(num))
print('奇数求和 = {}'.format(num1))
sum = 0
sum1 = 0
for LL in L:
if LL%2 == 0:
sum = LL +sum
else:
sum1 = LL + sum1
return sum,sum1
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
num, num1 = sub_sum(L)
print('偶数求和 = {}'.format(num))
print('奇数求和 = {}'.format(num1))
2023-10-29
def square_of_sum(L):
for LL in L:
num = LL * LL
print(num)
L = (1, 2, 3, 4, 5, 6, 7, 8, 9)
num = square_of_sum(L)
for LL in L:
num = LL * LL
print(num)
L = (1, 2, 3, 4, 5, 6, 7, 8, 9)
num = square_of_sum(L)
2023-10-26
nums = range(1,101)
numlist = []
for num in nums:
num = num * num
numlist.append(num)
sum = sum(numlist)
print(sum)
numlist = []
for num in nums:
num = num * num
numlist.append(num)
sum = sum(numlist)
print(sum)
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s = set([])
for s11 in s1:
if s11 in s2:
s.add(s11)
else:
break
print(s)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s = set([])
for s11 in s1:
if s11 in s2:
s.add(s11)
else:
break
print(s)
2023-10-25
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 6, 9, 11])
for LL in L:
if LL in S:
S.remove(LL)
else:
S.add(LL)
print(S)
S = set([1, 3, 5, 6, 9, 11])
for LL in L:
if LL in S:
S.remove(LL)
else:
S.add(LL)
print(S)
2023-10-25
# coding=utf-8
name = set([])
name.add('Alice')
print(name)
name1 = set(['Bob'])
name.update(name1)
print(name)
name = set([])
name.add('Alice')
print(name)
name1 = set(['Bob'])
name.update(name1)
print(name)
2023-10-25