Transcription of s Python Cheat Sheet - Data Science Free
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s Python Cheat Sheet - Data Science Free
GeneralPython Cheat Sheetjust the basicsCreated By: arianne Colton and Sean Chen Data structuresNote : 'start' index is included, but 'stop' index is NOT. start/stop can be omitted in which they default to the start/end. Application of 'step' : Take every other element list1[::2]Reverse a string str1[::-1]DICT (HASH MAP)Create Dict dict1 = {'key1' : 'value1' , 2 :[3, 2]}Create Dict from Sequence dict(zip(keyList, valueList))Get/Set/Insert Element dict1['key1']* dict1['key1'] = 'newValue'Get with Default Value ('key1', defaultValue) **Check if Key Exists 'key1' in dict1 Delete Element del dict1['key1']Get Key List () **Get Value List () **Update Values (dict2) # dict1 values are replaced by dict2* '
General Python Cheat Sheet just the basics Created By: arianne Colton and Sean Chen Data structures Note : • 'start' index is included, but 'stop' index is NOT. • start/stop can be omitted in which they default to
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