Python Tutorial For Beginners 3 | String Manipulation

Veröffentlicht am: 15 Juli 2020
auf dem Kanal: Pranav anand

176

As you can see, the first thing you learned was printing a simple sentence. This sentence was stored by Python as a string. However, instead of immediately printing strings out, we will explore the various things you can do to them.
#PythonTutorialForBeginners
#StringInPython
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first_name = 'ada'
last_name = "Lovelace"
print(first_name)
print(last_name)

#combining or concatenating string
full_name = first_name+" "+last_name
print(full_name)

#composing message using string variable
print("Hello,"+full_name+"!")

#title() method: begin with capital case
print(full_name.title())

#lower() method: converts string into lower case
print(full_name.lower())

#upper() method: converts string into upper case
print(full_name.upper())

#adding whitespace to string with tab "\t"
print("python")
print("\tPython")

#to add new line in string using "\n"
print("Language:\nPython\nC\nJava")

#you can also combine tab"\t" and "\n" in a single string
print("Language:\n\tPthon\n\tC\n\tJava")

#sytripping whitespace using strip()
language = ' Python '
print(language)
print(language.strip())

#removing extra space only from left side
print(language.lstrip())

#removing extra space only from right side
print(language.rstrip())

#accessing characters of a string
name= "kevin"
#display whole string
print(name)

#display first character of string
print(name[0])

#display third character
print(name[2])

#display the last character of string
print(name[-1])

#display second last character
print(name[-2])

#getting substring or slicing operation

str="PythonTutorial"
print(str)

#slicung 10th to last character
print("str[9:]: ",str[9:])

#slicing 3rd to 6th character
print("str[2:6]: ",str[2:6])

#slicing from start to 9th character
print("str[:9]: ",str[:9])

#slicing from 10th to second last character
print("str[9:-1]: ",str[9:-1])

#repetition of string-replication operator "*"
#repeating the string str by 3 times
print(str*3)

#check wether a string is present in another string or not
str1="welcome to python"
str2="welcome"
str3="xyz"

#str2 is in str1? TRUE
print(str2 in str1)

#str3 is in str1?FALSE
print(str3 in str1)

#str3 is not in str1? TRUE
print(str3 not in str1)

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