输入两个整数,范围-231~231-1,交换两个数并输出。
a = input()
b = a.split(",")
c = []
for i in range(len(b)):
for j in b[i].split("="):
c.append(j)
print(f"{c[0]}={c[-1]},{c[2]}={c[1]}") import re
m, n = map(str,input().split(","))
m1 = re.findall(r'\d+',m)
n1 = re.findall(r'\d+',n)
m2 = re.findall(r'\D+',m)
n2 = re.findall(r'\D+',n)
print(m2[0]+n1[0]+","+ n2[0]+m1[0])
s=input() m=s[0:2] a=s.index(',') m1=s[2:a] n=s[a+1:a+3] n1=s[a+3:] print(m+n1+','+n+m1)