Strings: Making Anagrams

Anagrams.py

def number_needed(a, b):
    count = 0
    if len(a) >= len(b):
        for i in range(len(b)):
            if b[i] in a:
                temp = list(a)
                temp.remove(b[i])
                a = "".join(temp)
            else:
                count += 1
        return (len(a) + count)
    else:
        for i in range(len(a)):
            if a[i] in b:
                temp = list(b)
                temp.remove(a[i])
                b = "".join(temp)
            else:
                count += 1
        return (len(b) + count)

a = input().strip()
b = input().strip()

print(number_needed(a, b))