# Enter a code
d = {
#'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
name = 'Alice'
if name in d.keys():
d.pop('Alice')
print(d)
else:
print(name+" don't in dict")
print(d)
d = {
#'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
name = 'Alice'
if name in d.keys():
d.pop('Alice')
print(d)
else:
print(name+" don't in dict")
print(d)
2021-04-26
sum = 0
num = 2
flag = True
while flag:
sum += num
if num >= 1000:
flag = False
continue
num +=2
print(sum)
num = 2
flag = True
while flag:
sum += num
if num >= 1000:
flag = False
continue
num +=2
print(sum)
2021-04-23
# Enter a code
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for m in s1:
for n in s2:
for p in s3:
print(m + n + p)
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for m in s1:
for n in s2:
for p in s3:
print(m + n + p)
2021-04-23
# Enter a code
sum = 0
num = 0
while num <= 1000:
if num % 2 == 0:
sum = sum + num
num = num + 1
continue
print(sum)
sum = 0
num = 0
while num <= 1000:
if num % 2 == 0:
sum = sum + num
num = num + 1
continue
print(sum)
2021-04-23
# Enter a code
num = 0
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
num = 0
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
2021-04-23
# Enter a code
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
scores = [[50,61,66],[80,61,66],[88,75,90]]
name=[]
for key in d:
name.append(key)
n=0
if n<len(scores):
for i in name:
for s in scores[n]:
d[i].append(s)
n+=1
else:
pass
print(d)
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
scores = [[50,61,66],[80,61,66],[88,75,90]]
name=[]
for key in d:
name.append(key)
n=0
if n<len(scores):
for i in name:
for s in scores[n]:
d[i].append(s)
n+=1
else:
pass
print(d)
2021-04-23
d['Alice'] = [50, 61, 66]
d['Bob'] = [80, 61, 66]
d['Candy'] = [88, 75, 90]
d['Bob'] = [80, 61, 66]
d['Candy'] = [88, 75, 90]
2021-04-20
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
print (len(d))
print (len(d))
2021-04-18
L = ['Alice', 66, 'Bob', True, 'False', 100]
i = 0
while i < len(L):
if i % 2 != 0:
print (L[i])
i = i + 1
i = 0
while i < len(L):
if i % 2 != 0:
print (L[i])
i = i + 1
2021-04-18
subject = ['Chinese', 'Math', 'English']
score = ['92', '75', '99']
i = 0
while i < 3:
print (subject[i], score[i])
i+=1
score = ['92', '75', '99']
i = 0
while i < 3:
print (subject[i], score[i])
i+=1
2021-04-18