你能帮我吗?尝试了以下代码,但不起作用。我正试图打印出附加的输出。提前谢谢。
num_display = int(input('Please enter how many numbers you would like displayed: '))
inc_value = int(input('Please enter the increment value: '))
num_counter = 1
num_sequence = range(1, num_display + 1 , inc_value)
value_counter = range(1, num_counter, inc_value)
for each_num in num_sequence:
print(f'Counter: {num_counter} value: {each_num}')
num_counter = num_counter + 1
value_counter = value_counter + 1
print("Bye.")
的输出应该是什么样子
Please enter how many numbers you would like displayed: 12
Please enter the increment value: 3
Counter: 1 value: 1
Counter: 2 value: 4
Counter: 3 value: 7
Counter: 4 value: 10
Counter: 5 value: 13
Counter: 6 value: 16
Counter: 7 value: 19
Counter: 8 value: 22
Counter: 9 value: 25
Counter: 10 value: 28
Counter: 11 value: 31
Counter: 12 value: 34
Bye.
我对代码进行了更改以满足其他条件,但在将str转换为int后出现了以下错误:第11行,innum_sequence=范围(1,停止值,inc_value(TypeError:"str"对象不能被解释为整数
我的代码:
num_display = input('Please enter how many numbers you would like displayed: ').strip()
inc_value = input('Please enter the increment value: ').strip()
zero_value = 0
if num_display.isdigit() and inc_value.isdigit():
if int(num_display) != zero_value or int(inc_value) != zero_value:
stop_value = int(num_display) * int(inc_value)
num_sequence = range(1,stop_value,inc_value)
for num_counter, each_num in enumerate(num_sequence):
print(f'Counter: {num_counter + 1} value: {each_num}')
print('Bye.')
else:
print("I can't increment in steps of 0.")
else:
print('Positive non zero integers only please.')
我用下面的方法让它工作,但它没有正确打印另一个,请参阅屏幕截图:
num_display = input('Please enter how many numbers you would like displayed: ').strip()
inc_value = input('Please enter the increment value: ').strip()
zero_value = 0
if num_display.isdigit() and inc_value.isdigit():
if int(num_display) != zero_value and int(inc_value) != zero_value:
stop_value = int(num_display) * int(inc_value)
num_sequence = range(1, int(stop_value), int(inc_value))
for num_counter, each_num in enumerate(num_sequence):
print(f'Counter: {num_counter + 1} value: {each_num}')
print('Bye.')
else:
print("I can't increment in steps of 0.")
else:
print('Positive non zero integers only please.')
正在另一个测试上工作但未打印5
您的代码有一些问题。range()
在每次迭代后都会自动将计数器增加inc_value
,所以不要在循环中手动更新该计数器。
此外还有一个数学问题。如果要打印按inc_value
递增的数字num_display
,则计算最后一个数字(因此range()
的end
值(的公式是start_value + inc_value * num_display
,而不是num_display + 1
。在您的情况下,start_value
就是1
。
要以Python的方式获得迭代次数,请使用enumerate()
。
num_display = int(input('Please enter how many numbers you would like displayed: '))
inc_value = int(input('Please enter the increment value: '))
start_value = 1
num_sequence = range(1, start_value + num_display * inc_value, inc_value)
for num_counter, each_num in enumerate(num_sequence):
print(f'Counter: {num_counter + 1} value: {each_num}')
print("Bye.")
预期输出
Please enter how many numbers you would like displayed: 12
Please enter the increment value: 3
Counter: 1 value: 1
Counter: 2 value: 4
Counter: 3 value: 7
Counter: 4 value: 10
Counter: 5 value: 13
Counter: 6 value: 16
Counter: 7 value: 19
Counter: 8 value: 22
Counter: 9 value: 25
Counter: 10 value: 28
Counter: 11 value: 31
Counter: 12 value: 34
Bye.