diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/100DaysOfCode.iml b/.idea/100DaysOfCode.iml
new file mode 100644
index 0000000..9b31378
--- /dev/null
+++ b/.idea/100DaysOfCode.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.8" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..c11033a
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/100DaysOfCode.iml" filepath="$PROJECT_DIR$/.idea/100DaysOfCode.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Bishal/Day1Question1.py b/Bishal/Day1Question1.py
new file mode 100644
index 0000000..3df13f4
--- /dev/null
+++ b/Bishal/Day1Question1.py
@@ -0,0 +1,19 @@
+def names(name):
+    sta = """
+    Hello {}!
+    Welcome to our world of new innovations.   
+    """
+    print(sta.format(name))
+
+
+def altnames(name):
+    st = f"""
+    Hello {name}!
+    Welcome to our new era!
+    """
+    print(st)
+
+
+n = input("What's your name?\n")
+names(n)
+altnames(n)
diff --git a/Bishal/Day1Question10.py b/Bishal/Day1Question10.py
new file mode 100644
index 0000000..bbd2cf5
--- /dev/null
+++ b/Bishal/Day1Question10.py
@@ -0,0 +1,20 @@
+class Student:
+    def __init__(self, age, height, weight, gender):
+        self.age = age
+        self.height = height
+        self.weight = weight
+        self.gender = gender
+
+    @staticmethod
+    def intro(first, sur):
+        print(f"\n\nName: {first} {sur}")
+
+    def  __str__(self) -> str:
+        return f"Gender: {self.gender}\nAge: {self.age} years\nHeight: {self.height} feet\nWeight: {self.weight} kgs"
+
+
+b = input("Enter first name: ")
+m = input("Enter surname: ")
+student = Student(float(input("Enter you Age: ")), float(input("Enter you Height: ")), float(input("Enter you Weight: ")), input("Enter you Gender: "))
+Student.intro(b, m)
+print(student)
diff --git a/Bishal/Day1Question11.py b/Bishal/Day1Question11.py
new file mode 100644
index 0000000..8d4046e
--- /dev/null
+++ b/Bishal/Day1Question11.py
@@ -0,0 +1,5 @@
+import datetime
+print(datetime.datetime.now().day)
+print(datetime.datetime.now().month)
+print(datetime.datetime.now().year)
+print(datetime.datetime.now().time())
diff --git a/Bishal/Day1Question12.py b/Bishal/Day1Question12.py
new file mode 100644
index 0000000..c96d609
--- /dev/null
+++ b/Bishal/Day1Question12.py
@@ -0,0 +1,13 @@
+from datetime import datetime
+from datetime import date
+
+print("Default Format:")
+print(datetime.today())
+print("Changed Format:")
+new = datetime.now()
+print(new.strftime("Format 1:\n%d.%m.%Y\n%H:%M:%S\n"))
+print(new.strftime("Format 2:\n%d %B/%y\n%H:%M:%S\n"))
+print(new.strftime("Format 3:\n%d %b/%Y\n%H:%M:%S"))
+print(new.strftime("Format 3:\n%m/%d/%Y\n%I:%M %p"))
+print("Printing only dates:")
+print(date.today().strftime("%d %B/%y"))
diff --git a/Bishal/Day1Question2.py b/Bishal/Day1Question2.py
new file mode 100644
index 0000000..442f254
--- /dev/null
+++ b/Bishal/Day1Question2.py
@@ -0,0 +1,13 @@
+def sortnames(name1, name2, name3):
+    x = [name1, name2,Dname3]
+    x.sort()
+    print("Your Names is sorted order: ")
+    for i in x:
+        print(i)
+
+
+a = input("Input name1: ")
+b = input("Input name2: ")
+c = input("Input name3: ")
+sortnames(a, b, c)
+
diff --git a/Bishal/Day1Question3.py b/Bishal/Day1Question3.py
new file mode 100644
index 0000000..b95f6c0
--- /dev/null
+++ b/Bishal/Day1Question3.py
@@ -0,0 +1,33 @@
+def prime(a) -> bool:
+    c = 0
+    for i in range(a + 1):
+        if a % (i + 1) == 0:
+            c += 1
+    if c == 2:
+        return True
+
+
+def palin(b) -> bool:
+    d = b
+    s = 0
+    while b != 0:
+        div = b % 10
+        s = s * 10 + div
+        b = b // 10
+    if d == s:
+        return True
+
+
+number = int(input("Enter a number: "))
+bo = prime(number)
+boo = palin(number)
+if bo and boo:
+    print("Prime Palindrome.")
+elif bo:
+    print("Only Prime.")
+elif boo:
+    print("Only Palindrome.")
+else:
+    print("Neither Prime nor Palindrome.")
+
+    
diff --git a/Bishal/Day1Question4.py b/Bishal/Day1Question4.py
new file mode 100644
index 0000000..bf6d627
--- /dev/null
+++ b/Bishal/Day1Question4.py
@@ -0,0 +1,11 @@
+def printing():
+    c = """
+    Hello World!
+    I am Bishal Kumar Ghosh.
+    I've just kick-started learning.
+    """
+    print(c)
+
+
+printing()
+
diff --git a/Bishal/Day1Question5.py b/Bishal/Day1Question5.py
new file mode 100644
index 0000000..97091ac
--- /dev/null
+++ b/Bishal/Day1Question5.py
@@ -0,0 +1,12 @@
+def flickingif(n):
+    if not(n > 0):
+        print(f"{n} is positive.")
+    elif not(n < 0):
+        print(f"{n} is negative.")
+    else:
+        print(f"{n} is Zero.")
+
+
+no = int(input("Enter a number: "))
+flickingif(no)
+
diff --git a/Bishal/Day1Question6.py b/Bishal/Day1Question6.py
new file mode 100644
index 0000000..23fcaf8
--- /dev/null
+++ b/Bishal/Day1Question6.py
@@ -0,0 +1,15 @@
+def summation(li):
+    s: int = 0
+    for j in li:
+        s += j
+    return s
+
+
+n = int(input("Enter for how many numbers you want to compute the sum: "))
+print(f"Enter {n} numbers to get the desired sum: ")
+numbers = []
+for i in range(n):
+    numbers.append(int(input()))
+sum1 = summation(numbers)
+print(sum1)
+
diff --git a/Bishal/Day1Question7.py b/Bishal/Day1Question7.py
new file mode 100644
index 0000000..7df3801
--- /dev/null
+++ b/Bishal/Day1Question7.py
@@ -0,0 +1,28 @@
+import math
+
+import matplotlib.pyplot as plt
+
+
+def pl(li1):
+    plt.plot(li1)
+    plt.show()
+
+
+def xcal(li2):
+    for i in range(len(li2)):
+        li2[i] = math.sqrt(li2[i])
+    return li2
+
+
+def inp():
+    n = int(input("Enter how many numbers you wanna enter: "))
+    print(f"Now, enter {n} numbers: ")
+    li3 = []
+    for i in range(n):
+        li3.append(int(input()))
+    return li3
+
+
+lx = inp()
+m = xcal(lx)
+pl(m)
diff --git a/Bishal/Day1Question8.py b/Bishal/Day1Question8.py
new file mode 100644
index 0000000..601bc08
--- /dev/null
+++ b/Bishal/Day1Question8.py
@@ -0,0 +1,19 @@
+def deladdnumb():
+    n = int(input("Enter the number of numbers you wanna enter: "))
+    li = []
+    print(f"Enter {n} numbers:")
+    for i in range(n):
+        li.append(int(input()))
+    temp = [li[0]]
+    for i in range(1, n):
+        c = 0
+        for j in range(i):
+            if li[i] == li[j]:
+                c += 1
+        if c != 1:
+            temp.append(li[i])
+    print(f"Before Deletion: {li}")
+    print(f"After Deletion: {temp}")
+
+
+deladdnumb()
diff --git a/Bishal/Day1Question9.py b/Bishal/Day1Question9.py
new file mode 100644
index 0000000..1720f81
--- /dev/null
+++ b/Bishal/Day1Question9.py
@@ -0,0 +1,20 @@
+class Student:
+    def __init__(self, age, height, weight, gender):
+        self.age = age
+        self.height = height
+        self.weight = weight
+        self.gender = gender
+
+    @staticmethod
+    def intro(first, sur):
+        print(f"\n\nName: {first} {sur}")
+
+
+b = input("Enter first name: ")
+m = input("Enter surname: ")
+specifications = Student(input("Enter Age(years): "), input("Enter Height(feet): "), input("Enter Weight(kgs): "), input("Enter Gender: "))
+specifications.intro(b, m)
+print(f"Gender: {specifications.gender} ")
+print(f"Age: {specifications.age} years")
+print(f"Height: {specifications.height} feet")
+print(f"Weight: {specifications.weight} kgs")
diff --git a/Bishal/Day2Question1.py b/Bishal/Day2Question1.py
new file mode 100644
index 0000000..cd06aac
--- /dev/null
+++ b/Bishal/Day2Question1.py
@@ -0,0 +1,36 @@
+# Working with timedelta objects
+from datetime import date
+from datetime import datetime
+from datetime import timedelta
+
+print(timedelta(days=60, hours=4, minutes=21, seconds=17))
+
+# today's date
+now = datetime.now()
+print("Today is:\n" + str(now))
+
+# after a year
+print("After 1 year:\n" + str(now + timedelta(days=365)))
+
+# after 2 days 3 weeks
+print("After 2 days and :\n" + str(now + timedelta(days=2, weeks=3)))
+
+# 1week ago
+t = datetime.now() - timedelta(weeks=1)
+s = t.strftime("%A %B %d, %Y")
+print("A week ago: " + s)
+
+# How many days until Jan 01
+today = date.today()
+nov = date(today.year, 11, 6)
+
+# If for this date has already occurred before today
+if nov < today:
+    print("6th Nov has went by %d days ago" % (today - nov).days)
+    nov = nov.replace(year=today.year + 1)
+
+# Now calculating for the next year's 6th Nov
+time_to_nov = nov - today
+print("It's just", time_to_nov.days, "days until next 6th Nov.")
+
+#
\ No newline at end of file
diff --git a/Bishal/Day2Question2.py b/Bishal/Day2Question2.py
new file mode 100644
index 0000000..b2f19a8
--- /dev/null
+++ b/Bishal/Day2Question2.py
@@ -0,0 +1,8 @@
+# Working with Calenders
+import calendar
+
+# Plain text calender
+c = calendar.TextCalendar(calendar.MONDAY)
+st = c.formatmonth(2017, 1, 0, 0)
+print(st)
+
diff --git a/Bishal/Day2Question3.py b/Bishal/Day2Question3.py
new file mode 100644
index 0000000..230919a
--- /dev/null
+++ b/Bishal/Day2Question3.py
@@ -0,0 +1,16 @@
+# Opening a New File
+file = open("Text.txt", "w+")
+for i in range(10):
+    file.write(str(i+1) + ". Hello World! It's me.\nI'm here to learn something new.\n")
+file.close()
+
+# Appending
+f = open("Text.txt", "a")
+f.write("Yo!")
+f.close()
+
+# Opening the file back up and read the contents
+f = open("Text.txt", "r")
+if f.mode == 'r':
+    contents = f.read()
+    print(contents)
diff --git a/Bishal/Day2Question4.py b/Bishal/Day2Question4.py
new file mode 100644
index 0000000..b0b66e4
--- /dev/null
+++ b/Bishal/Day2Question4.py
@@ -0,0 +1,30 @@
+# Working with os.path module
+import os
+from os import path
+import datetime
+import time
+
+
+def main():
+    # Printing the name of the oS
+    print(os.name)
+    print(os.path)
+
+
+main()
+
+# Check for item existence and type
+print("Item exists (Text.txt): "+str(path.exists("Text.txt")))
+print("Item is a file (Text.txt): "+str(path.isfile("Text.txt")))
+print("Item is a directory (Text.txt): "+str(path.isdir("Text.txt")))
+print("Item is a directory (My_File): "+str(path.isdir("My_File")))
+
+# Work with file paths
+print("Item path: " + str(path.realpath("Text.txt")))
+print("Item path and name: " + str(path.split(path.realpath("Text.txt"))))
+
+# Get the modification time
+t = time.ctime(path.getmtime("Text.txt"))
+print(t)
+print(datetime.datetime.fromtimestamp(path.getctime("Text.txt")))
+
diff --git a/Bishal/Text.txt b/Bishal/Text.txt
new file mode 100644
index 0000000..e4d9395
--- /dev/null
+++ b/Bishal/Text.txt
@@ -0,0 +1,21 @@
+1. Hello World! It's me.
+I'm here to learn something new.
+2. Hello World! It's me.
+I'm here to learn something new.
+3. Hello World! It's me.
+I'm here to learn something new.
+4. Hello World! It's me.
+I'm here to learn something new.
+5. Hello World! It's me.
+I'm here to learn something new.
+6. Hello World! It's me.
+I'm here to learn something new.
+7. Hello World! It's me.
+I'm here to learn something new.
+8. Hello World! It's me.
+I'm here to learn something new.
+9. Hello World! It's me.
+I'm here to learn something new.
+10. Hello World! It's me.
+I'm here to learn something new.
+Yo!
\ No newline at end of file
diff --git a/Bishal/readme.md b/Bishal/readme.md
new file mode 100644
index 0000000..76e1cb1
--- /dev/null
+++ b/Bishal/readme.md
@@ -0,0 +1 @@
+##Java and Python and C and C++ and Ruby