0 while (cnt < 1 + retry_times): if cnt: print_ztp_log('Retry downloading...', LOG_INFO_TYPE) ret = func_dict[scheme](url=url, local_path=local_path) if ret is OK: break cnt= obj.image or self.config != obj.con
2. .bit_length() 计算整数在内存中占⽤的⼆进制码的⻓度 如: 十四、布尔值(bool) True False 1.字符串 => 数字 int() 数字= > 字符串 str() x => y类型 y(x) 结论: 想把xxx数据转化成yy类型的数据. yy() 2.能够表示False的数据: 0, "", [], {}, set(), tuple(), None, Fals...
13:17:02) \n[Clang 6.0 (clang-600.0.57)]' >>> c = 3+4j >>> c.__float__ <method-wrapper '__float__' of complex object at 0x10a16c590> >>> c.__float__() Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can't convert complex to ...
0 3 3 ② 若x 为纯数字,则不能有 base 参数,否则报错,比如: print(int(3, 10)) 执行以上代码,输出结果为: Traceback (most recent call last): File "", line 1, in <module> print(int(3, 10)) TypeError: int() can't convert non-string with explicit base 如果是带参数 base 的话,x ...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 x = 1 # int y = 2.8 # float z = 1j # complex #convert from int to float: a = float(x) #convert from float to int: b = int(y) #convert from int to complex: c = complex(x) Python没有生成随机数的random()函数,但Python有一...
first_number = 1 second_number = 2 print(first_number + second_number) print(first_number - second_number) print(first_number * second_number) print(first_number / second_number) 1. 2. 3. 4. 5. 6. 7. print打印结果: 3、-1、2、0 ...
REMOTE_DEBUG_CONFIG="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=9999"RET_STATE={"KILL":143,"FAIL": -1,"OK":0,"RUN":1,"RETRY":2} def getLocalIp():try:returnsocket.gethostbyname(socket.getfqdn(socket.gethostname())) ...
【例子】bool 作用在基本类型变量:X 只要不是整型 0、浮点型 0.0,bool(X) 就是 True,其余就是 False。 print(type(0), bool(0), bool(1)) # <class 'int'> False True print(type(10.31), bool(0.00), bool(10.31)) # <class 'float'> False True print(type(True), bool(False), bool(True...
DataFrame.take(indices[, axis, convert]) #Analogous to ndarray.take DataFrame.truncate([before, after, axis ]) #Truncates a sorted NDFrame before and/or after some particular index value. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
1. 注释 在Python 中,#表示注释,作用于整行。 【例子】单行注释 [1]: # 这是一个注释 print("Hello world") # Hello world Hello world ''' '''或者""" """表示区间注释,在三引号之间的所有内容被注释 【例子】多行注释 [2]: ''' 这是多行注释,用三个单引号 这是多行注释,用三个单引号 这...