Username review function
Write a function that receives a username and if it was a character except the lowercase English letters, FALSE and otherwise TRUE
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Write a function that receives a username and if it was a character except the lowercase English letters, FALSE and otherwise TRUE
def check():
name=input('name user name : ')
new_name=name.isalnum and name.lower()
if new_name == name:
print(True)
else:
print(False)
check()
Python
def is_valid_username(username):
# Check each character in the username
for char in username:
# If the character is except the lower case of English
if not ('a' <= char <= 'z'):
return False
return True
# Use examples
print(is_valid_username("validusername")) # Output: TRUE
print(is_valid_username("InvalidUsername")) # Output: FALSE
print(is_valid_username("user_name")) # Output: FALSE
print(is_valid_username("username123")) # Output: FALSE
Python
def validate_username(username):
for char in username:
if not char.islower():
return False
return True
name=input("name: ")
print(validate_username(name))
Python
class name:
def __init__(self,name1):
self.name1=name1
def __str__(self):
for i in self.name1:
if not i.isupper():
return ('true')
else:
return ('flase')
x=str(input('please enter your name:'))
ob=name(x)
print(ob)
Python
listt=[' ','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
username=input("enter username: ")
def check_username(listt,username):
listt_check=[]
for i in username:
if i in listt:
listt_check.append("True")
else:
listt_check.append('false')
if 'false' in listt_check:
status='false'
else:
status="true"
print(status)
check_username(listt,username)
Python
def Name_Karbari(n) :
H = "QWERTYUIOPLKJHGFDSAZXCVBNM"
for i in n :
if i in H :
return False
return True
def is_valid_username(username):
# Checking whether all characters are in English lowercase username
for char in username:
if not ('a' <= char <= 'z'):
return False
return True
# Example of how to use
username_input = input("لطفاً نام کاربری را وارد کنید: ")
if is_valid_username(username_input):
print("نام کاربری معتبر است.")
else:
print("نام کاربری باید فقط شامل حروف کوچک انگلیسی باشد.")
Python
def username(name):
return True if name.islower() else False
i=input("name:")
print(username(i))
Python
def check_name(user_name:str) -> str:
return user_name.isalpha() and user_name.islower()
name=check_name("mohammadmahdi23@")
print(name)
#>>>نتیجه:False
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