Python is a widely popular programming language used in data research and software development. The Python Cheat Sheet is what you might have craved to help you out on the Python Project. Python has gained more popularity in fields like data science, machine learning, and web development. Applications such as BitTorrent, DropBox, and YouTube, all use Python to achieve functionality.
Below let me walk you through the Python Cheat Sheet for Python programmers. It is a charm for both beginners and experienced folks or developers. In order to kick-start your Python career and become a professional, a Python cheat sheet is what you need. Download the Python Cheat Sheet PDF for a quick reference.
Main Python Data Types
Action |
Python Cheat Sheet |
Boolean |
True/False |
Integer |
10 |
Float |
10.01 |
String |
“123abc” |
List |
[value1, value2, …] |
Dictionary |
{key1:value1, key2:value2, …} |
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Python Built-in Function
Action |
Python Code |
Prints x objects separated by y |
print(x, sep=’y’) |
Prints and waits for input that will be returned |
input(s) |
Returns the length of x (s, L, or D) |
len(x) |
Returns the minimum value in L |
min(L) |
Returns the maximum value in L |
max(L) |
Returns the sum of the values in L |
sum(L) |
Returns the absolute value of n |
abs(n) |
Returns the n1 number rounded to n digits |
round(n1, n) |
Python Special Characters
Action |
Python Cheat Sheet |
Comment |
# |
New line |
\n |
Scape char |
\ |
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Python String Operations
Action |
Python Code |
Retrieves character at position i |
string[i] |
Retrieves the last character |
string[-1] |
Retrieves characters in range i to j |
string[i:j] |
Python List Operations
Action |
Python Code Cheat Sheet |
Defines an empty list |
list=[] |
Stores x with index i |
list[i]=x |
Retrieves the item with index i |
list[i] |
Retrieves the last item |
list[-1] |
Retrieves items in the range i to j |
list[i:j] |
Removes the item with index i |
del list[i] |
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Python Numeric Operations
Action |
Python Code Cheat Sheet |
Addition |
+ |
Subtraction |
– |
Multiplication |
* |
Division |
/ |
Exponent |
** |
Modules |
% |
Floor division |
// |
Python Comparison Operations
Action |
Python Code Cheat Sheet |
Equal |
== |
Different |
!= |
Higher |
> |
Lower |
< |
Higher or equal |
>= |
Lower or equal |
<= |
Python Dictionary & Boolean Operations
Action |
Python Code |
Defines an empty dictionary |
dict={} |
Stores x associated with keys k |
dict[k] = x |
Retrieves the item with keys k |
dict[k] |
Removes the item with keys k |
del dict[k] |
Logical AND |
and |
Logical OR |
or |
Logical NOT |
not |
Python String Methods
Action |
Python Code |
Converts to uppercase |
string.upper() |
Converts to lowercase |
string.lower() |
Counts how many times x appears |
string.count(x) |
Position of the x first occurrence |
string.find(x) |
Replaces x for y |
string.replace(x,y) |
Returns a list of values delimited by x |
string.strip(x) |
Returns a string with L values joined by a string |
string.join(L) |
Returns a string that includes formatted x |
string.format(x) |
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Python List Methods
Action |
Python Code |
Adds x to the end of the list |
list.append(x) |
Appends L to the end of the list |
list.extend(L) |
Inserts x at i position |
list.insert(i,x) |
Removes the first list item whose value is x |
list.remove(x) |
Removes the item at position i and returns its value |
list.pop(i) |
Removes all items from the list |
list.clear() |
Returns a list of values delimited by x |
list.index(x) |
Returns a string with list values joined by an S |
list.count(x) |
Python Dictionary Methods
Action |
Python Code |
Returns a list of keys |
dict.keys() |
Returns a list of values |
dict.values() |
Returns a list of pairs |
dict.items() |
Returns the value associated with the keys k |
dict.get(k) |
Removes the item associated with the keys and returns its value |
dict.pop() |
Adds keys-values to the dictionary |
dict.update(D) |
Removes all key values from the dictionary |
dict.clear() |
Returns a copy of the dictionary |
dict.copy() |
The programming experience in Python is so natural that it makes you feel as if you are writing English.
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