"""users = ['李少奇', '李启航', 666, '渣渣辉']
for i in range(len(users)):
users[i] = str(users[i])
print(type((users[i])))
print('_'.join(users))"""
"""v1 = (11, 22, 33, 44, 55, 66, 77, 88, 99)
v2 = [44, 55, 66]
for i in range(1, len(v1)):
if i % 2 == 0:
v2.append(v1[i])
print(v1[i])
print(v2)"""
key_list = []
value_list = []
dic = {'k1': "v1", "k2": "v2", "k3": [11, 22, 33]}
"""for key, vaule in dic.items():
key_list.append(key)
value_list.append(vaule)
print(key_list)
print(value_list)"""
"""for key in dic.keys():
print(key, end=' ')"""
"""""for vaule in dic.values():
print(vaule, end=' ')"""""
"""for key, vaule in dic.items():
print(key, vaule)"""
dic['k4'] = 'v4'
print(dic)
dic["k1"] = 'alex'
print(dic)
dic['k3'].append(44)
print(dic)
dic['k3'].insert(1, 18)
print(dic)
"""info = {
'k1':'v1',
'k2':[('alex'),('wupeiqi'),('oldboy')],
}
for key,value in info.items():
if key == 'k2':
print(value)"""
"""list = "k: 1|k1:2|k2:3 |k3 :4"
dic1 = {}
for item in list.split("|"):
dic1[item.split(":")[0]] =item.split(":")[1]
print(dic1)"""
"""li = [11, 22, 33, 44, 55, 66, 77, 88, 99, 90]
result = {'k1': [], 'k2': []}
for item in li:
if item > 66:
result["k1"].append(item)
else:
result["k2"].append(item)
print(result)"""
""" 要求:
1:页面显示 序号 + 商品名称 + 商品价格,如:
1 电脑 1999
2 鼠标 10
...
"""
goods = [
{"name": "电脑", "price": 1999},
{"name": "鼠标", "price": 10},
{"name": "游艇", "price": 20},
{"name": "美女", "price": 998}
]
i = 1
dict1 = []
"""for item in goods:
test = [ item['name'], item['price']]
dict1.append(test)
print(f'{i} {test[0]} {test[1]}')
i += 1
contenat = input("请输入你选择的商品:")
new_con = int(contenat) -1
print(f'您选择的商品是:{dict1[new_con][0]}')"""
"""for item in goods:
test = [ item['name'], item['price']]
dict1.append(test)
print(f'{i} {test[0]} {test[1]}')
i += 1
contenat = input("请输入你选择的商品:")
new_con = int(contenat) -1
print(f'您选择的商品为:{dict1[new_con][0]},价格是:{dict1[new_con][1]}')"""
"""for item in goods:
test = [item['name'], item['price']]
dict1.append(test)
print(f'{i} {test[0]} {test[1]}')
i += 1
while True:
contenat = input("请输入你选择的商品:")
new_con = int(contenat)
if new_con > 4 or new_con < 1:
print("商品选择,输入有误,请重新输入")
continue
print(f'您选择的商品为:{dict1[new_con-1][0]},价格是:{dict1[new_con-1][1]}')
break"""
"""for item in goods:
test = [item['name'], item['price']]
dict1.append(test)
print(f'{i} {test[0]} {test[1]}')
i += 1
while True:
contenat = input("请输入你选择的商品:")
if contenat.upper() == 'Q':
break
new_con = int(contenat)
if new_con > 4 or new_con < 1:
print("商品选择,输入有误,请重新输入")
continue
print(f'您选择的商品为:{dict1[new_con-1][0]},价格是:{dict1[new_con-1][1]}')
break"""
v = {}
for index in range(10):
v['users'] = index
print(v)
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