price in products: unique_price_set.add(price) return len(unique_price_set) products = [ (143121312, 100), (432314553, 30), (32421912367, 150), (937153201, 30) ] print('number of unique price is: {}'.format(find_unique_price_using_set(products))) # 输出 number of unique ...
weight='bold',fontsize=13)chart.set_title('Monthly Unique Customers',weight='bold',fontsize=16)chart.set_xticklabels(group_by_month['month_year'],rotation=45,ha="right")ymin,ymax=ax.get_ylim()bonus=(ymax-ymin)/28# still hard coded bonus but scaleswiththe dataforx,y,name...
intfindCeil(charstr[],charfirst,intl,inth) { // initialize index of ceiling element intceilIndex = l; // Now iterate through rest of the // elements and find the smallest // character greater than 'first' for(inti = l +1; i <= h; i++) if(str[i] > first && str[i] < str...
存储整数、小数、字符串、列表、元组等任何类型的数据,同一个列表中元素的类型也可以不同,格式为:[element1 , element2 , element3 , ... , elementn],其中,listname 表示变量名,element1 ~ elementn 表示列表元素。 列表的创建 Python 中,创建列表的方法可分为两种。 1)使用 [] 创建列表 [] ...
var = 100if var < 200: print "Expression value is less than 200" if var == 150: print "Which is 150" elif var == 100: print "Which is 100" elif var == 50: print "Which is 50"elif var < 50: print "Expression value is less than 50"else: print "Could not find true expres...
.findall('country') print(v1) # [<Element 'country' at 0x7fbdd2df7cc0>, <Element 'country' at 0x7fbdd2df7ea0>, <Element 'country' at 0x7fbdd2dfa090>] # 获取指定标签的内容 v1 = root.findall('country') for rank in v1: print(rank.find('rank').text) v2 = root.find('...
deque([iterable[, maxlen]]) Returns a new deque object initialized left-to-right (using append()) with data from iterable. If iterable is not specified, the new deque is empty. pop() Remove and return an element from the right side of the deque. If no elements are present, raises ...
import redefcount_vowels(str):return len(len(re.findall(r'[aeiou]', str, re.IGNORECASE)))count_vowels('foobar') # 3count_vowels('gym') # 0 13. 首字母小写 如下方法将令给定字符串的第一个字符统一为小写。 defdecapitalize(string):return str[:1].lower() + str[1:]decapitalize('FooBar'...
(logBuff, ops.ERROR) return schedule, cur_status elem1 = root_elem.find(uri + "curStatus", namespaces) if elem1 is None: logging.error('Failed to get the current working directory for no "curStatus" element') logBuff = 'Failed to obtain the working dictionary because the curStatus ...
# Could not find one break else: count += 1 path[count, 0] = row path[count, 1] = path[count - 1, 1] # Find the first prime element in the row defined by the # first path step col = np.argmax(state.marked[path[count, 0]] == 2) ...