Python-CodeWars-17-11-26

CodeWars-1126

# -*- coding: utf-8 -*-# @Time    : 2017/11/26 上午11:59# @Author  : SkullFang# @Email   : [e-mail]# @File    : 11-26.py# @Software: PyCharmimport mathdef remove_char(s):    if len(s)>2 :        return s[1:-1]    else:        return ''    #your code here"""def remove_char(s):    return '' if len(s) <= 2 else s[1:-1]"""def find_next_square(sq):    num=int(math.sqrt(sq))    if num**2 == sq:        return (num+1)**2    # Return the next square if sq is a square, -1 otherwise    return -1# print(find_next_square(121))"""bestdef find_next_square(sq):    root = sq ** 0.5    if root.is_integer(): #判断是不是一个整数        return (root + 1)**2    return -1"""def divisors(integer):    li=[i for i in range(2,integer) if integer%i==0]    if li:        return li    return '{0} is prime'.format(integer)    pass# print(divisors(13))"""best is me"""def make_negative( number ):    return number if number<=0 else 0-number# print(make_negative(0))"""best is me"""def duplicate_count(text):    text=text.lower();    li=[]    cn=0;    for i in range(0,len(text)):        subli=text[i+1:]        if text[i] in subli:            if text[i] not in li:                li.append(text[i])                cn+=1    return cn    # Your code goes here# print(duplicate_count("aA11"))"""bestdef duplicate_count(s):  return len([c for c in set(s.lower()) if s.lower().count(c)>1])"""def high_and_low(numbers):    li=numbers.split(" ")    re=[int(i) for i in li]    max_number=max(re)    min_number=min(re)    numbers=str(max_number)+" "+str(min_number)    return numbers# print(high_and_low("4 5 29 54 4 0 -214 542 -64 1 -3 6 -6"))""""""def unique_in_order(iterable):    li=list(iterable)    re=[]    if li:        re.append(li[0])        for i in range(1,len(li)):            if li[i]!=li[i-1]:                re.append(li[i])    return re# print(unique_in_order('A'))def reverse_seq(n):    return list(reversed([i for i in range(1,n+1)]))    pass# print(reverse_seq(5))def no_space(x):    li=x.split(" ")    re=[_ for _ in li if _ !='']    # print(re)    return ''.join(re)    #your code hereprint(no_space('8 j 8   mBliB8g  imjB8B8  jl  B'))

总结：
1、判断一个数是不是整数可以用 is_interger()方法。
2、把列表转换为字符串可以用 ‘’.join(list)
3、字符串的分割用string.split(” “)