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 要以字符串的形式进行输入,比如: print(int("3", 10)) 执行以上代码,输出结果为: 3 (2)float() 函数 float(...
replace(" ", "") if len(line) == 1: continue # 使用正则表达式在'章'或'节'后面添加一个空格,仅在后面没有空格的情况下 line = re.sub(r'(章|节)(?![ ])', r'\1 ', line) # 在小数点后添加空格 line = re.sub(r'(\.\d)', r'\1 ', line) if '章' not in line: # 二级...
same as the config file of system.', LOG_WARN_TYPE) continue file_name_dict[FILE_TYPE_CFG] = _file_name elif file_type == FILE_TYPE_PAT: if _file_name in [startup.current.patch, startup.next.patch]: print_ztp_log('The name of patch file to be downloaded is the same as the ...
= 0 else td_default # 如果第一个tr中就有None;如果上一行是 td_default,则当前行也是td_default if (td is None and i_tr == 0) or len(set(pre_line_td['rect'].values())) == 1: tds_result[x_tds[j_x]] = td_default continue rect = pre_line_td['rect'] h1 = rect['height'...
print re.sub(r'\s+', '-', text) #示例二 import re import string for line in newtxt: # 循环处理每行数据 #print(line) punt = '`*//*' # 自定义特殊字符组 str = re.sub(r"[%s]+"%punt, " ", line) #去除"[%s]+"%punt ,用" "分隔内容 ...
# 1.字符串的替换 replace() s = 'hello,Python' print(s.replace('Python', 'java')) s1 = 'hello,python,python,python' print(s1.replace('python', 'java', 2)) # 通过第三个参数指定最大替换次数 # 2.字符串合并 join() 将列表或元组中字符串合并成一个字符串 ...
shell, "-NoProfile", "-Command", command], check=True) print("Done!") class Bash_shell(): @staticmethod def _make_string_path_list(paths: list[Path]) -> str: return "' '".join(str(path).replace("'", "\\'") for path in paths) def ignore_folders(self, paths: list[Path])...
原来的文字 加上 代换掉所有换行符的文字 字符串前出现 +号，但+号前又无变量，那么+号前的变量默认值为变量名所储存的值 \n 是换行符 '' 默认为无字符
a=input('输入a的值:')b=input('输入b的值:')asserta==b,'a不等于b'print('a等于b') 运行结果1: 输入a的值:1 输入b的值:1 a等于b 运行结果2: 输入a的值:1 输入b的值:2 Traceback (most recent call last): File "[文件路径]", line 3, in <module> ...
>>> import turtle,time>>> t = time.time()>>> turtle.Turtle()>>> for i in range(100):turtle.pencolor(ls[i%10])turtle.fd(i*5)turtle.lt(90)if i==99: print(time.time()-t)61.13451147079468 设置最快速度 turtle.speed(0) 约用35秒;设置最慢速度 turtle.speed(1) 约用180秒。直是龟...