List,Tuple,Set,Dictionary学习提要

# 列表 List

list1 = [1, 2, 3, 4, 6]

print(type(list1))
print(len(list1))
print(max(list1))
# 注意事项
a = [1]
print(type(a))

print('*' * 50)
# 元组 tuple
tuple1 = (5, 6, 7, 8)

print(type(tuple1))

# 注意事项
b = (1)  # <class 'int'>
print(type(b))

c = (1,)
print(type(c))
print('*' * 50)

print(type(()))  # <class 'tuple'>

print('*' * 50)

print(3 in (1, 2, 3))

print(10 not in (1, 2, 3))

# 集合Set
print('*' * 50)

set1 = {8, 9, 10, 11, 12, 13}
print(type(set1))
print(len(set1))
print(max(set1))
print('*' * 50)
set2 = {1}
print(type(set2))
print(len(set2))
print(max(set2))
set3 = {}
print(type(set3))  # <class 'dict'>
print(len(set3))


# 字典 dictionary