「Python if for」の版間の差分
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(ページの作成:「==Pythoni if for== [Python] [http://python.secsup.org/?p=44 Python Osmosis] ===if,for=== Python 2.6.3 (r263rc1:75186, Oct 2 2009, 20:40:30) [MSC v.1500 32 bit (In…」) |
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| 1行目: | 1行目: | ||
==Pythoni if for== | ==Pythoni if for== | ||
| − | [Python] | + | [[Python]] |
| − | [http://python.secsup.org/?p=44 Python Osmosis] | + | [[http://python.secsup.org/?p=44 Python Osmosis]] |
===if,for=== | ===if,for=== | ||
| 15行目: | 15行目: | ||
IDLE 2.6.3 | IDLE 2.6.3 | ||
| − | + | >>> x = int(raw_input("Please enter an integer: ")) | |
Please enter an integer: 42 | Please enter an integer: 42 | ||
| − | + | >>> type(x) | |
| − | + | <type 'int'> | |
| − | + | >>> if x < 0: | |
x = 0 | x = 0 | ||
print 'Negative change to zero' | print 'Negative change to zero' | ||
| 30行目: | 30行目: | ||
More | More | ||
| − | + | >>> | |
| − | + | >>> my_list = ['cat', 'window', 'defenestrate'] | |
| − | + | >>> for x in my_list: | |
print x, len(x) | print x, len(x) | ||
| 39行目: | 39行目: | ||
window 6 | window 6 | ||
defenestrate 12 | defenestrate 12 | ||
| − | + | >>> | |
| − | + | >>> for x in my_list[:]: | |
| − | if len(x) | + | if len(x) > 6: |
my_list.insert(0,x) | my_list.insert(0,x) | ||
| − | + | >>> my_list | |
['defenestrate', 'cat', 'window', 'defenestrate'] | ['defenestrate', 'cat', 'window', 'defenestrate'] | ||
2020年2月15日 (土) 08:05時点における版
Pythoni if for
if,for
Python 2.6.3 (r263rc1:75186, Oct 2 2009, 20:40:30) [MSC v.1500 32 bit (Intel)] on win32
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IDLE 2.6.3
>>> x = int(raw_input("Please enter an integer: "))
Please enter an integer: 42
>>> type(x)
<type 'int'>
>>> if x < 0:
x = 0
print 'Negative change to zero'
elif x == 0:
print 'Zero'
elif x == 1:
print 'Single'
else:
print 'More'
More
>>>
>>> my_list = ['cat', 'window', 'defenestrate']
>>> for x in my_list:
print x, len(x)
cat 3
window 6
defenestrate 12
>>>
>>> for x in my_list[:]:
if len(x) > 6:
my_list.insert(0,x)
>>> my_list
['defenestrate', 'cat', 'window', 'defenestrate']
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