sliceサンプル集

advanced_slicing.py

"""
Advanced slicing
"""

# 応用的な使い方1
# third parameterはstep size.この例ではstep size = 2
s = 'Python is Fun!'
s[1:12:2]
# ---> 'yhni u'

# 応用的な使い方2
# we're asking for the full string s (from index 0 through 13), with a step size of 2 
s[::2]
# ---> 'Pto sFn'

slicing.py

"""
Slicing
"""

# 基本的な使い方1
'eric'[1:3]
# ---> 'ri'

# 基本的な使い方2
# If no value after :, end at length
'eric'[1:]
# ---> 'ric'

# 基本的な使い方3
# If no value before :, start at 0
'eric'[:3]
# ---> 'eri'

# 基本的な使い方4
# If just:, make a copy of entire sequence
'eric'[:]
# ---> 'eric'