#练习5-11:序数
digits=list(range(1,10))
for digit in digits:
print(digit)
if digit ==1:
print('1st')
elif digit ==2:
print('2nd')
elif digit ==3:
print('3rd')
else:
print(f"{}th")
#练习5-11:序数
digits=list(range(1,10))
for digit in digits:
print(digit)
if digit ==1:
print('1st')
elif digit ==2:
print('2nd')
elif digit ==3:
print('3rd')
else:
print(f"{}th")