Python-控制流

#!/usr/bin/pythonnumber=23
guess=int(input('Enter an interger:')) #input返回的结果是string类型，需要用int()转化为int类型if guess == number:
print('You guessed in.')
elif guess < number:
print('No, it is a little higher than that')
else:
print('No, it is a little lower than that')print('Done')

#!/usr/bin/pythonnumber = 23while True:
guess=int(input('Enter an integer:'))
if guess==number:
print('You guessed it')
break
elif guess<num:
print('No, it is a little higher than that')
else:
print('No, it is a little lower than that')
else:#else下的statements是在while的条件为假时执行的，但如果有break,它就不会执行了
print('The while loop is over')print('Done')

#!/usr/bin/pythonfor i in range(1,5):
print(i)
else:#else下的statements是在for循环结束后执行的，但如果有break,它就不会执行了
print('The for loop is over')