int -> float
int 转换为 float 时,会自动给添加一位小数。...complex
complex('12 + 9j') # 报错,加号两侧不可有空格
str
str() 函数可以将任意对象转换为字符串。...3}
将嵌套的列表转换为字典:
li = [
[1, 111],
[2, 222],
[3, 333],
]
print(dict(li))
# {1: 111, 2: 222..., 3: 333}
tuple -> dict
通过 zip 将 2 个元组映射为字典:
tp1 = (1, 2, 3)
tp2 = (1, 2, 3, 4)
print(dict(zip(tp1,...(tp))
# {1: 111, 2: 222, 3: 333}
set -> dict
通过 zip 将 2 个集合映射为字典:
set1 = {1, 2, 3}
set2 = {'a', 'b',