将 String 变量转换为 float、int 或 boolean

# String to Float
float_string = "254.2511"
print(type(float_string))
string_to_float = float(float_string)
print(type(string_to_float))
# String to Integer
int_string = "254"
print(type(int_string))
string_to_int = int(int_string)
print(type(string_to_int))
# String to Boolean
bool_string = "True"
print(type(bool_string))
string_to_bool = bool(bool_string)
print(type(string_to_bool))

Output:

class 'str'
class 'float>
class 'str'
class 'int'
class 'str'
class 'bool'