def left_join(phrases):
str = ','
return str.join(phrases).replace('rigth','left')
a = [('7', '1'), ('5', '2'), ('8', '3'), ('4', '4')]
for a0, a1 in a:
print('равны' if a0==a1 else 'не равны')
import os
cmd = 'wmic environment where name="PATH" set variablevalue="C:\Temp;%PATH%'
os.system(cmd)
s.send(buf.encode())