Summing Numeric Strings
Given two strings, num_str1
and num_str2
, write a function to sum the two strings together without directly converting them to integers.
Note: Return the output in string format.
Example:
Input:
num_ str1 = '122' #assume that in practice the two strings are huge
num_str2 = '222'
Output:
sum_strings(num_str1,num_str2) -> '344'
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