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‎100+ Python challenging programming exercises.txt

Lines changed: 255 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -766,6 +766,8 @@ def printValue(n):
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printValue(3)
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#----------------------------------------#
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Question:
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Define a function that can receive two integral numbers in string form and compute their sum and then print it in console.
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@@ -781,6 +783,9 @@ printValue("3","4") #7
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#----------------------------------------#
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Question:
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Define a function that can accept two strings as input and concatenate them and then print it in console.
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@@ -795,6 +800,9 @@ def printValue(s1,s2):
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printValue("3","4") #34
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#----------------------------------------#
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Question:
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Define a function that can accept two strings as input and print the string with maximum length in console. If two strings have the same length, then the function should print al l strings line by line.
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@@ -820,6 +828,8 @@ printValue("one","three")
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#----------------------------------------#
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2.10
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Question:
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Define a function that can accept an integer number as input and print the "It is an even number" if the number is even, otherwise print "It is an odd number".
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@@ -839,22 +849,259 @@ checkValue(7)
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#----------------------------------------#
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Question:
843-
Define a function that can accept an integer number as input and print the "It is an even number" if the number is even, otherwise print "It is an odd number".
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Define a function which can print a dictionary where the keys are numbers between 1 and 3 (both included) and the values are square of keys.
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Hints:
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847-
Use % operator to check if a number is even or odd.
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Use dict[key]=value pattern to put entry into a dictionary.
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Use ** operator to get power of a number.
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Solution
850-
def checkValue(n):
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if n%2 == 0:
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print "It is an even number"
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else:
854-
print "It is an odd number"
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def printDict():
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d=dict()
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d[1]=1
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d[2]=2**2
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d[3]=3**2
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print d
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checkValue(7)
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printDict()
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#----------------------------------------#
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2.10
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Question:
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Define a function which can print a dictionary where the keys are numbers between 1 and 20 (both included) and the values are square of keys.
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Hints:
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Use dict[key]=value pattern to put entry into a dictionary.
886+
Use ** operator to get power of a number.
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Use range() for loops.
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Solution
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def printDict():
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d=dict()
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for i in range(1,21):
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d[i]=i**2
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print d
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896+
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printDict()
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#----------------------------------------#
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2.10
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Question:
904+
Define a function which can generate a dictionary where the keys are numbers between 1 and 20 (both included) and the values are square of keys. The function should just print the values only.
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906+
Hints:
907+
908+
Use dict[key]=value pattern to put entry into a dictionary.
909+
Use ** operator to get power of a number.
910+
Use range() for loops.
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Use keys() to iterate keys in the dictionary. Also we can use item() to get key/value pairs.
912+
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Solution
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def printDict():
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d=dict()
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for i in range(1,21):
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d[i]=i**2
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for (k,v) in d.items():
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print v
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printDict()
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#----------------------------------------#
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2.10
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Question:
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Define a function which can generate a dictionary where the keys are numbers between 1 and 20 (both included) and the values are square of keys. The function should just print the keys only.
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Hints:
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932+
Use dict[key]=value pattern to put entry into a dictionary.
933+
Use ** operator to get power of a number.
934+
Use range() for loops.
935+
Use keys() to iterate keys in the dictionary. Also we can use item() to get key/value pairs.
936+
937+
Solution
938+
def printDict():
939+
d=dict()
940+
for i in range(1,21):
941+
d[i]=i**2
942+
for k in d.keys():
943+
print k
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945+
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printDict()
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#----------------------------------------#
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2.10
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Question:
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Define a function which can generate and print a list where the values are square of numbers between 1 and 20 (both included).
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Hints:
956+
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Use ** operator to get power of a number.
958+
Use range() for loops.
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Use list.append() to add values into a list.
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Solution
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def printList():
963+
li=list()
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for i in range(1,21):
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li.append(i**2)
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print li
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printList()
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#----------------------------------------#
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2.10
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Question:
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Define a function which can generate a list where the values are square of numbers between 1 and 20 (both included). Then the function needs to print the first 5 elements in the list.
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Hints:
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Use ** operator to get power of a number.
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Use range() for loops.
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Use list.append() to add values into a list.
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Use [n1:n2] to slice a list
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Solution
985+
def printList():
986+
li=list()
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for i in range(1,21):
988+
li.append(i**2)
989+
print li[:5]
990+
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printList()
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#----------------------------------------#
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2.10
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Question:
999+
Define a function which can generate a list where the values are square of numbers between 1 and 20 (both included). Then the function needs to print the last 5 elements in the list.
1000+
1001+
Hints:
1002+
1003+
Use ** operator to get power of a number.
1004+
Use range() for loops.
1005+
Use list.append() to add values into a list.
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Use [n1:n2] to slice a list
1007+
1008+
Solution
1009+
def printList():
1010+
li=list()
1011+
for i in range(1,21):
1012+
li.append(i**2)
1013+
print li[-5:]
1014+
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printList()
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#----------------------------------------#
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2.10
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Question:
1023+
Define a function which can generate a list where the values are square of numbers between 1 and 20 (both included). Then the function needs to print all values except the first 5 elements in the list.
1024+
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Hints:
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1027+
Use ** operator to get power of a number.
1028+
Use range() for loops.
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Use list.append() to add values into a list.
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Use [n1:n2] to slice a list
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Solution
1033+
def printList():
1034+
li=list()
1035+
for i in range(1,21):
1036+
li.append(i**2)
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print li[5:]
1038+
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printList()
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#----------------------------------------#
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2.10
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Question:
1047+
Define a function which can generate and print a tuple where the value are square of numbers between 1 and 20 (both included).
1048+
1049+
Hints:
1050+
1051+
Use ** operator to get power of a number.
1052+
Use range() for loops.
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Use list.append() to add values into a list.
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Use tuple() to get a tuple from a list.
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Solution
1057+
def printTuple():
1058+
li=list()
1059+
for i in range(1,21):
1060+
li.append(i**2)
1061+
print tuple(li)
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printTuple()
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#----------------------------------------#
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2.10
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Question:
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With a given tuple (1,2,3,4,5,6,7,8,9,10), write a program to print the first half values in one line and the last half values in one line.
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Hints:
1074+
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Use [n1:n2] notation to get a slice from a tuple.
1076+
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Solution
1078+
tp=(1,2,3,4,5,6,7,8,9,10)
1079+
tp1=tp[:5]
1080+
tp2=tp[5:]
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print tp1
1082+
print tp2
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#----------------------------------------#
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2.10
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Question:
1089+
Write a program to generate and print another tuple whose values are even numbers in the given tuple (1,2,3,4,5,6,7,8,9,10).
1090+
1091+
Hints:
1092+
1093+
Use "for" to iterate the tuple
1094+
Use tuple() to generate a tuple from a list.
1095+
1096+
Solution
1097+
tp=(1,2,3,4,5,6,7,8,9,10)
1098+
li=list()
1099+
for i in tp:
1100+
if tp[i]%2==0:
1101+
li.append(tp[i])
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1103+
tp2=tuple(li)
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print tp2
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‎python contents.docx

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