Added Python Basics and List & Tuple

Author: Ashish0741

DAY_1/Screenshot 2023-05-23 at 6.38.13 PM.png

@@ -0,0 +1,29 @@
+x = 400 
+y = 400 
+
+print()
+print('x : ',id(x))
+print('y : ',id(y))
+
+a = 100 
+b = 100 
+
+print()
+print('a : ',id(a))
+print('b : ',id(b))
+
+name = "Ashish!" 
+other_name = "Ashish!" 
+
+print()
+print('name : ',id(name))
+print('other_name : ',id(other_name))
+
+fval = 4.34 
+other_fval = 4.34
+
+print()
+print('fval : ',id(fval))
+print('other_fval : ',id(other_fval))
+
+

DAY_1/Screenshot 2023-05-23 at 6.58.29 PM.png

@@ -0,0 +1,60 @@
+# Python supports only single line comment
+
+str_single_quote = "Python"         # single quote
+str_double_quote = 'Python'         # double quote
+str_multi_line = '''                
+Hello,
+This is multi line string
+'''
+
+print(str_single_quote)
+print(str_double_quote)
+print(str_multi_line)
+
+print(40 * "=")
+
+# Indexing start from 0
+# In python we have positive indexing from 0 and negative indexing from -1
+
+print(str_single_quote[1])
+print(str_single_quote[-1])
+
+print(40 * "=")
+
+# why both str_double_quote and str_double_quote[0] addresses are different ? 
+# Ans : Due to different strings they have different memory addresses.
+
+print(id(str_double_quote))
+print(id(str_double_quote[0]))
+
+print(40 * "=")
+
+str1 = 'Fynd'
+print(str1 + ' :' ,id(str1))
+print(str1[0] + ' :' ,id(str1[0]))
+print(str1[1] + ' :' ,id(str1[1]))
+print(str1[2] + ' :' ,id(str1[2]))
+print(str1[3] + ' :' ,id(str1[3]))
+
+print(40 * "=")
+
+# slicing
+str_new = "SLICING"
+print(str_new[:])
+print(str_new[2:])
+print(str_new[2:5])
+print(str_new[::-1])
+print(str_new[:5:2])
+
+print(40 * "=")
+
+
+# functions
+print(len(str_new)) # here len is function
+print(str_new.count('I')) # str_new is reference variable and count is method
+
+print(40 * "=")
+
+
+
+