Python - 按大小写差异对字符串进行排序

给定字符串列表，任务是编写一个Python程序来执行基于大小写差异的排序，即小写和大写的计数。

例子：

Input : test_list = [“GFG”, “GeeKs”, “best”, “FOr”, “alL”, “GEEKS”] 
Output : [‘GeeKs’, ‘FOr’, ‘alL’, ‘GFG’, ‘best’, ‘GEEKS’] 
Explanation : ees(3) – GK(2) = 1, hence at 1st index, others are ordered accordingly.
 

Input : test_list = [“GFG”, “GeeKs”, “best”] 
Output : [‘GeeKs’, ‘GFG’, ‘best’] 
Explanation : ees(3) – GK(2) = 1, hence at 1st index, others are ordered accordingly. 

方法 #1：使用 sort() + islower() + isupper() + abs()

在这种就地排序中，使用 sort() 执行，而 islower() 和 isupper() 用于检查案例和计数。然后 abs() 用于获取提供参数以执行排序的绝对差异。

Python3

# Python3 code to demonstrate working of
# Sort Strings by Case difference
# Using sort() + islower() + isupper() + abs()
  
  
def get_case_diff(string):
  
    # getting case count and difference
    lower_cnt = len([ele for ele in string if ele.islower()])
    upper_cnt = len([ele for ele in string if ele.isupper()])
    return abs(lower_cnt - upper_cnt)
  
  
# initializing Matrix
test_list = ["GFG", "GeeKs", "best", "FOr", "alL", "GEEKS"]
  
# printing original list
print("The original list is : " + str(test_list))
  
# inplace sort using sort()
test_list.sort(key=get_case_diff)
  
# printing result
print("Sorted Strings by case difference : " + str(test_list))

输出：

The original list is : [‘GFG’, ‘GeeKs’, ‘best’, ‘FOr’, ‘alL’, ‘GEEKS’]
Sorted Strings by case difference : [‘GeeKs’, ‘FOr’, ‘alL’, ‘GFG’, ‘best’, ‘GEEKS’]

方法#2：使用 sorted() + lambda + islower() + len() + isupper() + abs()

与上述方法类似，不同之处在于使用的排序方式、sorted() 和 lambda 用作注入功能的方式。

蟒蛇3

# Python3 code to demonstrate working of
# Python3 code to demonstrate working of
# Sort Strings by Case difference
# Using sorted() + lambda + islower() + len() + isupper() + abs()
  
# initializing Matrix
test_list = ["GFG", "GeeKs", "best", "FOr", "alL", "GEEKS"]
              
# printing original list
print("The original list is : " + str(test_list))
  
# sorting using sorted()
# lambda function to inject functionality
res = sorted(test_list, key = lambda string : \
        abs(len([ele for ele in string if ele.islower()]) - \
        len([ele for ele in string if ele.isupper()])))
  
# printing result
print("Sorted Strings by case difference : " + str(res))

输出：

The original list is : [‘GFG’, ‘GeeKs’, ‘best’, ‘FOr’, ‘alL’, ‘GEEKS’]
Sorted Strings by case difference : [‘GeeKs’, ‘FOr’, ‘alL’, ‘GFG’, ‘best’, ‘GEEKS’]