Question

How to sort a string with digits and letters (digits before letters) in Python

Answer 1

def custom_sort(input_str):
    return "".join(sorted(input_str, key=lambda x: (x, x.isdigit())))

input_str = "d2c4b3a1"
sorted_str = custom_sort(input_str)

print("Custom sorted string:", sorted_str)



'''
run:

Custom sorted string: 1234abcd

'''

 

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