Tast 1-7

Author: ArnoldVanN

DifferenceOfSquares.py

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+sum = 0
+sums_squared = 0
+for x in range(1, 11):
+    sum += x
+sums_squared = sum**2
+print("Sum of first 10 natural numbers squared: ", sums_squared)
+sum = 0
+for x in range(1, 11):
+    sum += x**2
+print("Sum of squares of first 10 natural numbers: ", sum)
+print("Difference between square of the sum and sum of the squares is:", sums_squared - sum)

Gigasecond.py

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+import datetime
+print("Please enter your date of birth:")
+print("Day")
+day = input()
+print("Month")
+month = input()
+print("Year")
+year = input()
+
+date = datetime.date(int(year), int(month), int(day))
+b = date.replace(year=date.year + 31, month=date.month + 8, day=date.day + 15) # Closest i could get it without it getting annoying.
+print("One gigasecond later...", b)

HelloWorld.py

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+print('Whats your name?')
+name = input()
+if not name:
+    print('Hello World!')
+else:
+    print(f'Hello {name}!')

Panagram.py

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+sentence = input()
+# to lower, remove duplicate characters
+# Will not work if string contains numbers/special characters
+if len(sorted("".join(set((sentence.lower()))))) == 27:
+    print('Thats a panagram!')
+else:
+    print('Thats not a panagram :(')

RLE.py

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+def rle_encode(input):
+    output = ''
+    last_char = ''
+    count = 1
+
+    if not input: return ''
+
+    for char in input:
+        if char != last_char:
+            if last_char:
+                output += str(count) + last_char
+            count = 1
+            last_char = char
+        else:
+            count += 1
+    else:
+        output += str(count) + last_char
+        return output
+
+print(rle_encode(input()))

Rna.py

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+print("Please input DNA strand")
+dna = input()
+
+# RNA codon table
+rna_codon = {"UUU" : "F", "CUU" : "L", "AUU" : "I", "GUU" : "V",
+           "UUC" : "F", "CUC" : "L", "AUC" : "I", "GUC" : "V",
+           "UUA" : "L", "CUA" : "L", "AUA" : "I", "GUA" : "V",
+           "UUG" : "L", "CUG" : "L", "AUG" : "M", "GUG" : "V",
+           "UCU" : "S", "CCU" : "P", "ACU" : "T", "GCU" : "A",
+           "UCC" : "S", "CCC" : "P", "ACC" : "T", "GCC" : "A",
+           "UCA" : "S", "CCA" : "P", "ACA" : "T", "GCA" : "A",
+           "UCG" : "S", "CCG" : "P", "ACG" : "T", "GCG" : "A",
+           "UAU" : "Y", "CAU" : "H", "AAU" : "N", "GAU" : "D",
+           "UAC" : "Y", "CAC" : "H", "AAC" : "N", "GAC" : "D",
+           "UAA" : "STOP", "CAA" : "Q", "AAA" : "K", "GAA" : "E",
+           "UAG" : "STOP", "CAG" : "Q", "AAG" : "K", "GAG" : "E",
+           "UGU" : "C", "CGU" : "R", "AGU" : "S", "GGU" : "G",
+           "UGC" : "C", "CGC" : "R", "AGC" : "S", "GGC" : "G",
+           "UGA" : "STOP", "CGA" : "R", "AGA" : "R", "GGA" : "G",
+           "UGG" : "W", "CGG" : "R", "AGG" : "R", "GGG" : "G" 
+}
+
+rna = ""
+
+for i in dna:
+    if i == "T":
+        rna += "U"
+    else:
+        rna += i
+
+print("RNA strand", rna)
+print("Would you like to convert to protein sequence? Yes/No")
+
+def generate_protein():
+    protein_string = ""
+
+    for i in range(0, len(rna)-(3+len(rna)%3), 3):
+        if rna_codon[rna[i:i+3]] == "STOP" :
+            break
+        protein_string += rna_codon[rna[i:i+3]]
+
+    # Print the protein string
+    print( "Protein String: ", protein_string)
+
+if input().lower() == "yes":
+    generate_protein()
+
+
+# source: https://towardsdatascience.com/starting-off-in-bioinformatics-rna-transcription-and-translation-aaa7a91db031

WordCount.py

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+def word_count(str):
+    counts = dict()
+    words = str.split()
+
+    for word in words:
+        if word in counts:
+            counts[word] += 1
+        else:
+            counts[word] = 1
+
+    return counts
+
+print(word_count(input()))
+
+# definitely did not find this script here https://www.w3resource.com/python-exercises/string/python-data-type-string-exercise-12.php