d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key,value in d.items():
print(key)
for a in value:
print(a)
for key,value in d.items():
print(key)
for a in value:
print(a)
2021-08-31
num = 1
product = 1
while num <=10:
product = product * num
num = num + 1
print(product)
product = 1
while num <=10:
product = product * num
num = num + 1
print(product)
2021-08-31
s = 'AABCDEFGHHIJ'
result = s[1:9]
print(result)
'''解題思路'''
l = len(s)
print(l) #字符串長度
'''查看字符中每個(gè)字母的下標(biāo)'''
for i in range(0,l):
print(i, s[i])
result = s[1:9]
print(result)
'''解題思路'''
l = len(s)
print(l) #字符串長度
'''查看字符中每個(gè)字母的下標(biāo)'''
for i in range(0,l):
print(i, s[i])
2021-08-31
template = '{0} {1} {2}, {3} {4} {5}'
result = template.format('life', 'is', 'short', 'you', 'need', 'python')
print(result)
template ='{l} {i} {s}, {y} {n} {p}'
l ='life'
i = 'is'
s = 'short'
y = 'you'
n = 'need'
p = 'python'
result = template.format(l=l,i=i,s=s,y=y,n=n,p=p)
print(result)
result = template.format('life', 'is', 'short', 'you', 'need', 'python')
print(result)
template ='{l} {i} {s}, {y} {n} {p}'
l ='life'
i = 'is'
s = 'short'
y = 'you'
n = 'need'
p = 'python'
result = template.format(l=l,i=i,s=s,y=y,n=n,p=p)
print(result)
2021-08-31
L = ['Alice', 66, 'Bob', True, 'False', 100]
i=0
for item in L:
i=i+1
if i%2==0:
print(item)
i=0
for item in L:
i=i+1
if i%2==0:
print(item)
2021-08-30
s = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
i=0
for k in s:
i=i+1
if i<10:
continue
print(k)
i=0
for k in s:
i=i+1
if i<10:
continue
print(k)
2021-08-30
num = 0
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
2021-08-30
s = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
i=0
for ch in s:
if i>19:
break
i=i+1
print(ch)
i=0
for ch in s:
if i>19:
break
i=i+1
print(ch)
2021-08-30
sum=1
k=2
while k<=10:
sum=sum*k
k=k+1
print(sum)
k=2
while k<=10:
sum=sum*k
k=k+1
print(sum)
2021-08-30
num = 0
sum = 0
while True:
if num>1000:
print(sum)
break
num+=1
if num%2==0:
sum+=num
sum = 0
while True:
if num>1000:
print(sum)
break
num+=1
if num%2==0:
sum+=num
2021-08-30
a='{2} is {0},{3} need {1}'
print(a.format('short','python','life','you'))
print(a.format('short','python','life','you'))
2021-08-30
s1='請定義并打印中英文混合的字符串'
s2='\"這是一句中英文混合的Python字符串:Hello World!\"'
print(s1+s2)
s2='\"這是一句中英文混合的Python字符串:Hello World!\"'
print(s1+s2)
2021-08-30
小數(shù)點(diǎn)數(shù)位:round(num,2)num是需要保留小數(shù)點(diǎn)的變量,2是保留兩位
2021-08-30
def average(*args):
sum=0
if len(args)>0:
for item in args:
sum=sum+item
avg=sum/len(args)
return avg
else:
print(0)
print(average())
sum=0
if len(args)>0:
for item in args:
sum=sum+item
avg=sum/len(args)
return avg
else:
print(0)
print(average())
2021-08-30