Python – 将分隔符分隔的列表转换为数字

给定一个带有分隔符分隔数字的字符串，在删除分隔符后连接以形成整数。

Input : test_str = “1@6@7@8”, delim = ‘@’ 
Output : 1678 
Explanation : Joined elements after removing delim “@”
Input : test_str = “1!6!7!8”, delim = ‘!’ 
Output : 1678 
Explanation : Joined elements after removing delim “!” 
 

方法 #1：使用循环 + split() + int()

这是可以执行此任务的方式之一。在此，我们在分隔符上拆分字符串，然后运行一个循环来连接，最终结果被转换为 int()。

Python3

# Python3 code to demonstrate working of
# Convert Delimiter separated list to Number
# Using loop + split() + join()
 
# initializing string
test_str = "1@6@7@8@5@8@9"
 
# printing original string
print("The original string is : " + str(test_str))
 
# initializing Delimiter
delim = "@"
 
# spliting to get list of string numbers
temp = test_str.split(delim)
res = ''
for ele in temp:
    res = res + ele
 
# converting result into integer
res = int(res)
 
# printing result
print("Constructed integer : " + str(res))

输出

The original string is : 1@6@7@8@5@8@9
Constructed integer : 1678589

方法 #2：使用 join() + split() + int()

这是可以执行此任务的另一种方式。在此，我们使用 join() 和 int() 执行最终连接以获得最终结果。

Python3

# Python3 code to demonstrate working of
# Convert Delimiter separated list to Number
# Using join() + split() + int()
 
# initializing string
test_str = "1@6@7@8@5@8@9"
 
# printing original string
print("The original string is : " + str(test_str))
 
# initializing Delimiter
delim = "@"
 
# join used over splitted result
# final result casted using int()
res = int("".join(test_str.split(delim)))
 
# printing result
print("Constructed integer : " + str(res))

输出

The original string is : 1@6@7@8@5@8@9
Constructed integer : 1678589