Forgotten measurements

shape = str(input())

lookup = {
    'U': 0,
    'D': 0,
    'L': 0,
    'R': 0
}

for s in shape: 
    lookup[s] += 1

y = min(lookup['D'], lookup['U'])
x = min(lookup['L'], lookup['R'])

print(x + y)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED