本文最后更新于 673 天前,其中的信息可能已经有所发展或是发生改变。
第一次练习
1. 姓名
names = ['wjq', 'lys', 'hfcj', 'xhz', 'jcg']
for i in names:
print(i)
2. 问候
names = ['wjq', 'lys', 'hfcj', 'xhz', 'jcg']
for i in names:
print(f"hello,{i}!")
3. 嘉宾名单
names = ['wjq', 'hfcj', 'xhz', 'jcg']
for i in names:
print(f"Hello,{i}! Would you like to have a dinner for me?")
4. 修改嘉宾名单
names = ['wjq', 'hfcj', 'xhz', 'jcg']
for i in names:
print(f"Hello,{i}! Would you like to have a dinner for me?")
print(f"Unfortunately, {names[1]} couldn't come.")
names[1] = 'mcc'
for i in names:
print(f"Hello,{i}! Would you like to have a dinner for me?")
5. 添加嘉宾
names = ['wjq', 'hfcj', 'xhz', 'jcg']
print("I have found a bigger table for the party")
names.insert(0, 'lrh')
names.insert(len(names)//2, 'mcc')
names.append('lsh')
for i in names:
print(f"Hello,{i}! Would you like to have a dinner for me?")
6. 缩减名单
names = ['wjq', 'hfcj', 'xhz', 'jcg']
print("I have found a bigger table for the party")
names.insert(0, 'lrh')
names.insert(len(names)//2, 'mcc')
names.append('lsh')
for i in names:
print(f"Hello,{i}! Would you like to have a dinner for me?")
print(f"Unfortunately, I could only invite tow guys to the party!")
while(len(names) > 2):
names.pop()
for i in names:
print(f"Wow! {i} is still in the list !")
del names[:]
print(names)
7. 放眼世界
locations = ['Singapore', 'Hong Kong', 'Australia', 'Russia', 'Spain', 'France']
for i in locations:
print(i)
print(sorted(locations))
print(sorted(locations, reverse=True))
print(locations)
locations.reverse()
print(locations)
locations.reverse()
print(locations)
locations.sort()
print(locations)
locations.sort(reverse=True)
print(locations)