题解 | 字符串字符匹配
s1=input()
s2=input()
flag="false"
for i in s1:
for j in s2:
if i==j:
break
else:
break
else:
flag="true"
print(flag)
s1=input()
s2=input()
flag="false"
for i in s1:
for j in s2:
if i==j:
break
else:
break
else:
flag="true"
print(flag)
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