Module 3 Flashcards
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String
This function is used to get the number of characters in a string
len()
This indicates the location of the individual character in a string.
Index
Type in the name of the string and then its index enclosed in ___________ to access a character given its index.
Square Brackets [ ]
This accesses a string a part of the string through index enclosed in brackets.
Slicing
True or False.
The range specified in the slicing excludes the upper bound.
True
What is the syntax for slicing in Python
[start : end : step]
This is indicated by the symbol + performed on strings.
String Concatenation
What function is used to convert an integer value to a string.
str()
To have an idea of how a certain string method works, use the command.
help()
Ex. help(“Hello”.capitalize)
What function is used to determine the data type.
type()
_______ is a sequence of values.
List
The values in a list are called __________.
Elements or Items
A list is defined by enclosing its items in ___
Square Brackets [ ]
True or False.
A list can hold only one type of data at a time.
False
(A list can hold any type of data)
This is used to check whether an item or element exists in a list.
in
Ex. “plasma” in states
This is used to add an item at the end of a list.
append()
Ex. nameList.append(10)
This is used to insert an item at a given index.
.insert()
Ex. nameList.insert(1, “Oshawott”)
This is used to remove the first occurrence of a string.
.remove()
Ex. numList.remove(4)
This is used to convert a string into a list of characters.
list()
Ex. list(“hello”)
This is used to join the string of elements in a list into one string.
.join()
Ex. “-“.join(fruits)
This is used to split the characters of a string using a certain character.
.split
Ex. animalsList.split(“_”)
______ is an immutable sequence of values.
Tuple
A tuple is defined by enclosing its elements in a pair of _____.
Parentheses ( )
This means that items can be changed in-place.
Mutable
A ________ is a general version of a list.
Dictionary
Dictionaries are indexed by _____.
Keys
A dictionary comprises of _____ pairs, and each key maps to a comma-separated key:value pairs.
key-value
This method is used to get all the keys in a dictionary.
keys()
Ex. sample_dict.keys()
This method is used to get all the values in a dictionary.
values()
Ex. sample_dict.values()
This method is used to get all the key-value pairs in a dictionary.
items()
Ex. sample_dict.items()
