python string operations code example

Example 1: string in python

# ways to dfefine string in python
string = "String"
string = str(string)

# Can Add strings
s1  = "Str"
s2 = "ing"
s = s1 + s2 # "String"

Example 2: strings in python

#A string is a type of data. There are many data types. It can be manipulated.
#It can be storerd as a variable
myString = "Hello world"
#WE can print it:
print(myString)
#You can append it to arraY:
myArr = []
myArr.append(myString)
#You can find the index of a character in a string:
H = myString[0]
#You can use methods on it:
lowercase = myString.lower()
#You can convert it into a integer provided it is a numerical string
myInt = int(myString)
#So thats the basics, hope i haven't left anything out.

Example 3: python string cut

# string [start:end:step]
string = "freeCodeCamp"
print(string[0:len(string)-1])		# freeCodeCam
print(string[0:5])		            # freeC
print(string[2:6])		            # eeCo
print(string[-1])		            # p
print(string[-5:])		            # eCamp
print(string[1:-4])                 # reeCode
print(string[-5:-2])	            # eCa
print(string[::2])		            # feCdCm

Example 4: Python Strings

print("Hello")

Example 5: string function in class python

class Person:
    name = ""
    age = 0

    def __init__(self, personName, personAge):
        self.name = personName
        self.age = personAge

    def __repr__(self):
        return {'name':self.name, 'age':self.age}

    def __str__(self):
        return 'Person(name='+self.name+', age='+str(self.age)+ ')'