Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Run ❯ Get your own Python server Result Size: 785 x 1445 #named indexes: txt1 = "My name is {fname}, I'm {age}".format(fname = "John", age = 36) #numbered indexes: txt2 = "My name is {0}, I'm {1}".format("John",36) #empty placeholders: txt3 = "My name is...
Check In StringTo check if a certain phrase or character is present in a string, we can use the keywords in or not in.ExampleGet your own Python Server Check if the phrase "ain" is present in the following text: txt = "The rain in Spain stays mainly in the plain"x = "ain" in ...
Delete a Table You can delete an existing table by using the "DROP TABLE" statement: ExampleGet your own Python Server Delete the table "customers": importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", ...
ExampleGet your own Python Server Return a new Data Frame with no empty cells: import pandas as pddf = pd.read_csv('data.csv') new_df = df.dropna()print(new_df.to_string()) Try it Yourself » Note: By default, the dropna() method returns a new DataFrame, and will not change...
ExampleGet your own Python Server Create a collection called "customers": importpymongo myclient = pymongo.MongoClient("mongodb://localhost:27017/") mydb = myclient["mydatabase"] mycol = mydb["customers"] Run example » Important:In MongoDB, a collection is not created until it gets co...
String ConcatenationTo concatenate, or combine, two strings you can use the + operator.ExampleGet your own Python Server Merge variable a with variable b into variable c: a = "Hello"b = "World"c = a + b print(c) Try it Yourself » ...
Python ReferencePython Overview Python Built-in Functions Python String Methods Python List Methods Python Dictionary Methods Python Tuple Methods Python Set Methods Python File Methods Python Keywords Python Exceptions Python Glossary Module Reference
Python Strings Slicing Strings Modify Strings Concatenate Strings Format Strings Escape Characters String Methods String Exercises Python Booleans Python Operators Python Lists Python Tuples Python Sets Python Dictionaries Python If...Else Python Match Python While Loops Python For Loops Python Functio...