作业1:
ABC
作业2:
"'
a = 6
b = 8
a,b = b,a
print(a,b)
"'
作业3:
"'
a = input("请输入一串字符串:")
if a.isdigit():
print("输入的是数字")
else:
print("输入的不是全数字")
"'
作业4:
"'
print("hello","world",end=' ')
"'
作业1:
ABC
作业2:
"'
a = 6
b = 8
a,b = b,a
print(a,b)
"'
作业3:
"'
a = input("请输入一串字符串:")
if a.isdigit():
print("输入的是数字")
else:
print("输入的不是全数字")
"'
作业4:
"'
print("hello","world",end=' ')
"'